Common Weakness Enumeration
CWE-77
Allowed-with-ReviewImproper Neutralization of Special Elements used in a Command ('Command Injection')
Abstraction: Class · Status: Draft
The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.
5381 vulnerabilities reference this CWE, most recent first.
CVE-2026-12814 (GCVE-0-2026-12814)
Vulnerability from cvelistv5 – Published: 2026-06-21 22:45 – Updated: 2026-06-22 12:07
VLAI
EPSS
VEX
Title
Comfast CF-WR631AX V3 API Endpoint mbox-config system os command injection
Summary
A flaw has been found in Comfast CF-WR631AX V3 up to 2.7.0.8. This issue affects the function system of the file /cgi-bin/mbox-config?section=ping_config of the component API Endpoint. This manipulation of the argument destination causes os command injection. The attack is possible to be carried out remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/372608 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/372608/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-12814 | third-party-advisory |
| https://vuldb.com/submit/837561 | third-party-advisory |
| https://github.com/0xcc12138/COMFAST-CF-WR631AX-R… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Comfast | CF-WR631AX V3 |
Affected:
2.7.0.0
Affected: 2.7.0.1 Affected: 2.7.0.2 Affected: 2.7.0.3 Affected: 2.7.0.4 Affected: 2.7.0.5 Affected: 2.7.0.6 Affected: 2.7.0.7 Affected: 2.7.0.8 cpe:2.3:a:comfast:cf-wr631ax_v3:*:*:*:*:*:*:*:* |
Credits
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CVE-2026-12810 (GCVE-0-2026-12810)
Vulnerability from cvelistv5 – Published: 2026-06-21 21:45 – Updated: 2026-06-22 10:27
VLAI
EPSS
VEX
Title
Edimax BR-6478AC V2 POST Request mp command injection
Summary
A security flaw has been discovered in Edimax BR-6478AC V2 1.23. Affected by this vulnerability is the function mp of the file /goform/mp of the component POST Request Handler. Performing a manipulation of the argument command results in command injection. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/372604 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/372604/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-12810 | third-party-advisory |
| https://vuldb.com/submit/836674 | third-party-advisory |
| https://lavender-bicycle-a5a.notion.site/EDIMAX-B… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Edimax | BR-6478AC V2 |
Affected:
1.23
cpe:2.3:a:edimax:br-6478ac_v2:*:*:*:*:*:*:*:* |
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CVE-2026-12809 (GCVE-0-2026-12809)
Vulnerability from cvelistv5 – Published: 2026-06-21 21:30 – Updated: 2026-06-22 16:18
VLAI
EPSS
VEX
Title
Edimax BR-6478AC V2 POST Request wiz_5in1_redirect command injection
Summary
A vulnerability was identified in Edimax BR-6478AC V2 1.23. Affected is the function wiz_5in1_redirect of the file /goform/wiz_5in1_redirect of the component POST Request Handler. Such manipulation of the argument newpass leads to command injection. The attack can be launched remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/372603 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/372603/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-12809 | third-party-advisory |
| https://vuldb.com/submit/836673 | third-party-advisory |
| https://lavender-bicycle-a5a.notion.site/EDIMAX-B… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Edimax | BR-6478AC V2 |
Affected:
1.23
cpe:2.3:a:edimax:br-6478ac_v2:*:*:*:*:*:*:*:* |
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CVE-2026-12808 (GCVE-0-2026-12808)
Vulnerability from cvelistv5 – Published: 2026-06-21 20:45 – Updated: 2026-06-22 12:17
VLAI
EPSS
VEX
Title
Edimax BR-6478AC V2 POST Request stainfo command injection
Summary
A vulnerability was determined in Edimax BR-6478AC V2 1.23. This impacts the function stainfo of the file /goform/stainfo of the component POST Request Handler. This manipulation of the argument interface causes command injection. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/372602 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/372602/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-12808 | third-party-advisory |
| https://vuldb.com/submit/836672 | third-party-advisory |
| https://lavender-bicycle-a5a.notion.site/EDIMAX-B… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Edimax | BR-6478AC V2 |
Affected:
1.23
cpe:2.3:a:edimax:br-6478ac_v2:*:*:*:*:*:*:*:* |
Credits
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CVE-2026-12807 (GCVE-0-2026-12807)
Vulnerability from cvelistv5 – Published: 2026-06-21 19:45 – Updated: 2026-06-22 13:23
VLAI
EPSS
VEX
Title
Edimax BR-6478AC V2 POST Request setWAN command injection
Summary
A vulnerability was found in Edimax BR-6478AC V2 1.23. This affects the function setWAN of the file /goform/setWAN of the component POST Request Handler. The manipulation of the argument pppUserName/pptpUserName/L2TPUserName results in command injection. It is possible to launch the attack remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/372601 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/372601/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-12807 | third-party-advisory |
| https://vuldb.com/submit/836669 | third-party-advisory |
| https://lavender-bicycle-a5a.notion.site/EDIMAX-B… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Edimax | BR-6478AC V2 |
Affected:
1.23
cpe:2.3:a:edimax:br-6478ac_v2:*:*:*:*:*:*:*:* |
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CVE-2026-12223 (GCVE-0-2026-12223)
Vulnerability from cvelistv5 – Published: 2026-06-15 05:30 – Updated: 2026-06-27 05:45
VLAI
EPSS
VEX
Title
Yealink SIP-T46U Web FastCGI Service tftpuploadiperf mod_webd.TFTPUploadIperf command injection
Summary
A vulnerability was identified in Yealink SIP-T46U 108.86.0.118. Affected by this vulnerability is the function mod_webd.TFTPUploadIperf of the file /api/inner/tftpuploadiperf of the component Web FastCGI Service. The manipulation of the argument ip/port leads to command injection. The attack needs to be initiated within the local network. The exploit is publicly available and might be used. Upgrading to version 108.87.0.23 addresses this issue. Upgrading the affected component is recommended. The vendor explains: "It has been fixed (...) for our technical support branch. However, please note that this specific support branch firmware is not publicly released yet."
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/370866 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/370866/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-12223 | third-party-advisory |
| https://vuldb.com/submit/834603 | third-party-advisory |
| http://cdn2.v50to.cc/T46U/T46U_mod_webd_TFTPUploa… | broken-linkexploit |
Impacted products
Credits
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CVE-2026-12219 (GCVE-0-2026-12219)
Vulnerability from cvelistv5 – Published: 2026-06-15 04:30 – Updated: 2026-06-27 05:44
VLAI
EPSS
VEX
Title
Yealink SIP-T46U Web FastCGI Service start mod_diagnose.CommandShellByType command injection
Summary
A flaw has been found in Yealink SIP-T46U 108.86.0.118. The impacted element is the function mod_diagnose.CommandShellByType of the file /api/diagnosis/start of the component Web FastCGI Service. This manipulation of the argument Time causes command injection. The attack can be initiated remotely. The exploit has been published and may be used. Upgrading to version 108.87.0.23 is sufficient to resolve this issue. It is advisable to upgrade the affected component.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/370862 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/370862/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-12219 | third-party-advisory |
| https://vuldb.com/submit/834204 | third-party-advisory |
| http://cdn2.v50to.cc/T46U/T46U_mod_diagnose_Comma… | broken-linkexploit |
Impacted products
Credits
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CVE-2026-12197 (GCVE-0-2026-12197)
Vulnerability from cvelistv5 – Published: 2026-06-14 23:45 – Updated: 2026-06-15 14:56
VLAI
EPSS
VEX
Title
Ruijie EG105G-P JSON-RPC Diagnose Endpoint diagnose nslookup command injection
Summary
A security flaw has been discovered in Ruijie EG105G-P 2.340. The impacted element is the function nslookup of the file /cgi-bin/luci/api/diagnose of the component JSON-RPC Diagnose Endpoint. Performing a manipulation of the argument params.target results in command injection. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/370840 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/370840/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-12197 | third-party-advisory |
| https://vuldb.com/submit/829253 | third-party-advisory |
| https://github.com/ictrun/java/issues/6 | exploitissue-tracking |
Impacted products
Credits
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CVE-2026-12187 (GCVE-0-2026-12187)
Vulnerability from cvelistv5 – Published: 2026-06-14 22:00 – Updated: 2026-06-15 12:54
VLAI
EPSS
VEX
Title
GL.iNet GL-MT3000 Online Firmware Upgrade one_click_upgrade command injection
Summary
A security vulnerability has been detected in GL.iNet GL-MT3000 up to 4.4.5. Affected by this vulnerability is an unknown functionality of the file /usr/bin/one_click_upgrade of the component Online Firmware Upgrade Handler. Such manipulation leads to command injection. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 4.7 addresses this issue. Upgrading the affected component is advised. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/370833 | vdb-entry |
| https://vuldb.com/vuln/370833/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-12187 | third-party-advisory |
| https://vuldb.com/submit/815654 | third-party-advisory |
| https://github.com/StrTzz123/iot_vul/tree/main/GL… | exploitpatch |
| https://fw.gl-inet.com/firmware/mt3000/release/mt… | patch |
Impacted products
Credits
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CVE-2026-12186 (GCVE-0-2026-12186)
Vulnerability from cvelistv5 – Published: 2026-06-14 20:45 – Updated: 2026-06-15 19:25
VLAI
EPSS
VEX
Title
GL.iNet GL-MT3000 Tor Proxy Service Configuration tor replace_country command injection
Summary
A weakness has been identified in GL.iNet GL-MT3000 up to 4.4.5. Affected is the function replace_country in the library /usr/lib/oui-httpd/rpc/tor of the component Tor Proxy Service Configuration Handler. This manipulation causes command injection. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 4.7 is able to address this issue. It is recommended to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/370832 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/370832/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-12186 | third-party-advisory |
| https://vuldb.com/submit/815579 | third-party-advisory |
| https://github.com/StrTzz123/iot_vul/blob/main/GL… | exploit |
| https://fw.gl-inet.com/firmware/mt3000/release/mt… | patch |
Impacted products
Credits
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"status": "unaffected",
"version": "4.7"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "strforexc (VulDB User)"
},
{
"lang": "en",
"type": "coordinator",
"value": "VulDB CNA Team"
}
],
"descriptions": [
{
"lang": "en",
"value": "A weakness has been identified in GL.iNet GL-MT3000 up to 4.4.5. Affected is the function replace_country in the library /usr/lib/oui-httpd/rpc/tor of the component Tor Proxy Service Configuration Handler. This manipulation causes command injection. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 4.7 is able to address this issue. It is recommended to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 8.7,
"baseSeverity": "HIGH",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P",
"version": "4.0"
}
},
{
"cvssV3_1": {
"baseScore": 8.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C",
"version": "3.1"
}
},
{
"cvssV3_0": {
"baseScore": 8.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C",
"version": "3.0"
}
},
{
"cvssV2_0": {
"baseScore": 9,
"vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:OF/RC:C",
"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-77",
"description": "Command Injection",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-74",
"description": "Injection",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-06-14T20:45:08.530Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"name": "VDB-370832 | GL.iNet GL-MT3000 Tor Proxy Service Configuration tor replace_country command injection",
"tags": [
"vdb-entry",
"technical-description"
],
"url": "https://vuldb.com/vuln/370832"
},
{
"name": "VDB-370832 | CTI Indicators (IOB, IOC, TTP, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/vuln/370832/cti"
},
{
"name": "CVE-2026-12186 | CVE Analysis and Report",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/cve/CVE-2026-12186"
},
{
"name": "Submit #815579 | GL.iNet GL-MT3000 mt3000-4.4.5 Command Injection",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/submit/815579"
},
{
"tags": [
"exploit"
],
"url": "https://github.com/StrTzz123/iot_vul/blob/main/GL-iNet/MT3000/4.4.5/tor_set_config/Readme.md"
},
{
"tags": [
"patch"
],
"url": "https://fw.gl-inet.com/firmware/mt3000/release/mt3000-4.8.1-0819-1755615825.tar"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-06-14T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2026-06-14T02:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-06-14T08:35:16.000Z",
"value": "VulDB entry last update"
}
],
"title": "GL.iNet GL-MT3000 Tor Proxy Service Configuration tor replace_country command injection"
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2026-12186",
"datePublished": "2026-06-14T20:45:08.530Z",
"dateReserved": "2026-06-14T06:30:08.377Z",
"dateUpdated": "2026-06-15T19:25:36.498Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
Mitigation
Architecture and Design
If at all possible, use library calls rather than external processes to recreate the desired functionality.
Mitigation
Implementation
If possible, ensure that all external commands called from the program are statically created.
Mitigation MIT-5
Implementation
Strategy: Input Validation
- Assume all input is malicious. Use an "accept known good" input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does.
- When performing input validation, consider all potentially relevant properties, including length, type of input, the full range of acceptable values, missing or extra inputs, syntax, consistency across related fields, and conformance to business rules. As an example of business rule logic, "boat" may be syntactically valid because it only contains alphanumeric characters, but it is not valid if the input is only expected to contain colors such as "red" or "blue."
- Do not rely exclusively on looking for malicious or malformed inputs. This is likely to miss at least one undesirable input, especially if the code's environment changes. This can give attackers enough room to bypass the intended validation. However, denylists can be useful for detecting potential attacks or determining which inputs are so malformed that they should be rejected outright.
Mitigation
Operation
Run time: Run time policy enforcement may be used in an allowlist fashion to prevent use of any non-sanctioned commands.
Mitigation
System Configuration
Assign permissions that prevent the user from accessing/opening privileged files.
CAPEC-136: LDAP Injection
An attacker manipulates or crafts an LDAP query for the purpose of undermining the security of the target. Some applications use user input to create LDAP queries that are processed by an LDAP server. For example, a user might provide their username during authentication and the username might be inserted in an LDAP query during the authentication process. An attacker could use this input to inject additional commands into an LDAP query that could disclose sensitive information. For example, entering a * in the aforementioned query might return information about all users on the system. This attack is very similar to an SQL injection attack in that it manipulates a query to gather additional information or coerce a particular return value.
CAPEC-15: Command Delimiters
An attack of this type exploits a programs' vulnerabilities that allows an attacker's commands to be concatenated onto a legitimate command with the intent of targeting other resources such as the file system or database. The system that uses a filter or denylist input validation, as opposed to allowlist validation is vulnerable to an attacker who predicts delimiters (or combinations of delimiters) not present in the filter or denylist. As with other injection attacks, the attacker uses the command delimiter payload as an entry point to tunnel through the application and activate additional attacks through SQL queries, shell commands, network scanning, and so on.
CAPEC-183: IMAP/SMTP Command Injection
An adversary exploits weaknesses in input validation on web-mail servers to execute commands on the IMAP/SMTP server. Web-mail servers often sit between the Internet and the IMAP or SMTP mail server. User requests are received by the web-mail servers which then query the back-end mail server for the requested information and return this response to the user. In an IMAP/SMTP command injection attack, mail-server commands are embedded in parts of the request sent to the web-mail server. If the web-mail server fails to adequately sanitize these requests, these commands are then sent to the back-end mail server when it is queried by the web-mail server, where the commands are then executed. This attack can be especially dangerous since administrators may assume that the back-end server is protected against direct Internet access and therefore may not secure it adequately against the execution of malicious commands.
CAPEC-248: Command Injection
An adversary looking to execute a command of their choosing, injects new items into an existing command thus modifying interpretation away from what was intended. Commands in this context are often standalone strings that are interpreted by a downstream component and cause specific responses. This type of attack is possible when untrusted values are used to build these command strings. Weaknesses in input validation or command construction can enable the attack and lead to successful exploitation.
CAPEC-40: Manipulating Writeable Terminal Devices
This attack exploits terminal devices that allow themselves to be written to by other users. The attacker sends command strings to the target terminal device hoping that the target user will hit enter and thereby execute the malicious command with their privileges. The attacker can send the results (such as copying /etc/passwd) to a known directory and collect once the attack has succeeded.
CAPEC-43: Exploiting Multiple Input Interpretation Layers
An attacker supplies the target software with input data that contains sequences of special characters designed to bypass input validation logic. This exploit relies on the target making multiples passes over the input data and processing a "layer" of special characters with each pass. In this manner, the attacker can disguise input that would otherwise be rejected as invalid by concealing it with layers of special/escape characters that are stripped off by subsequent processing steps. The goal is to first discover cases where the input validation layer executes before one or more parsing layers. That is, user input may go through the following logic in an application: <parser1> --> <input validator> --> <parser2>. In such cases, the attacker will need to provide input that will pass through the input validator, but after passing through parser2, will be converted into something that the input validator was supposed to stop.
CAPEC-75: Manipulating Writeable Configuration Files
Generally these are manually edited files that are not in the preview of the system administrators, any ability on the attackers' behalf to modify these files, for example in a CVS repository, gives unauthorized access directly to the application, the same as authorized users.
CAPEC-76: Manipulating Web Input to File System Calls
An attacker manipulates inputs to the target software which the target software passes to file system calls in the OS. The goal is to gain access to, and perhaps modify, areas of the file system that the target software did not intend to be accessible.