Common Weakness Enumeration
CWE-502
AllowedDeserialization of Untrusted Data
Abstraction: Base · Status: Draft
The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.
5543 vulnerabilities reference this CWE, most recent first.
CVE-2025-7433 (GCVE-0-2025-7433)
Vulnerability from cvelistv5 – Published: 2025-07-17 19:10 – Updated: 2025-07-17 20:35
VLAI
EPSS
VEX
Summary
A local privilege escalation vulnerability in Sophos Intercept X for Windows with Central Device Encryption 2025.1 and older allows arbitrary code execution.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-07-17 20:35 UTC
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Sophos | Sophos Intercept X for Windows |
Affected:
0 , < 2025.1
(semver)
|
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CVE-2025-7384 (GCVE-0-2025-7384)
Vulnerability from cvelistv5 – Published: 2025-08-13 04:22 – Updated: 2026-04-08 16:36
VLAI
EPSS
VEX
Title
Database for Contact Form 7, WPforms, Elementor forms <= 1.4.3 - Unauthenticated PHP Object Injection to Arbitrary File Deletion
Summary
The Database for Contact Form 7, WPforms, Elementor forms plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.4.3 via deserialization of untrusted input in the get_lead_detail function. This makes it possible for unauthenticated attackers to inject a PHP Object. The additional presence of a POP chain in the Contact Form 7 plugin, which is likely to be used alongside, allows attackers to delete arbitrary files, leading to a denial of service or remote code execution when the wp-config.php file is deleted.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-08-13 13:50 UTC
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| crmperks | Database for Contact Form 7, WPforms, Elementor forms |
Affected:
0 , ≤ 1.4.3
(semver)
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CVE-2025-7216 (GCVE-0-2025-7216)
Vulnerability from cvelistv5 – Published: 2025-07-09 04:32 – Updated: 2025-07-09 14:16
VLAI
EPSS
VEX
Title
lty628 Aidigu PHP Object common.php checkUserCookie deserialization
Summary
A vulnerability, which was classified as critical, was found in lty628 Aidigu up to 1.8.2. This affects the function checkUserCookie of the file /application/common.php of the component PHP Object Handler. The manipulation of the argument rememberMe leads to deserialization. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-07-09 14:16 UTC
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.315165 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.315165 | signaturepermissions-required |
| https://vuldb.com/?submit.608209 | third-party-advisory |
| https://note-hxlab.wetolink.com/share/Bon2P1OSuNDc | exploit |
Impacted products
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CVE-2025-7099 (GCVE-0-2025-7099)
Vulnerability from cvelistv5 – Published: 2025-07-06 23:32 – Updated: 2025-07-07 15:44
VLAI
EPSS
VEX
Title
BoyunCMS Installation install2.php deserialization
Summary
A vulnerability has been found in BoyunCMS up to 1.21 on PHP7 and classified as critical. Affected by this vulnerability is an unknown functionality of the file install/install2.php of the component Installation Handler. The manipulation of the argument db_host leads to deserialization. The attack can be launched remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-07-07 15:44 UTC
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.315013 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.315013 | signaturepermissions-required |
| https://vuldb.com/?submit.604310 | third-party-advisory |
| https://note-hxlab.wetolink.com/share/cQGEOmctNARD | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | BoyunCMS |
Affected:
1.0
Affected: 1.1 Affected: 1.2 Affected: 1.3 Affected: 1.4 Affected: 1.5 Affected: 1.6 Affected: 1.7 Affected: 1.8 Affected: 1.9 Affected: 1.10 Affected: 1.11 Affected: 1.12 Affected: 1.13 Affected: 1.14 Affected: 1.15 Affected: 1.16 Affected: 1.17 Affected: 1.18 Affected: 1.19 Affected: 1.20 Affected: 1.21 |
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CVE-2025-6811 (GCVE-0-2025-6811)
Vulnerability from cvelistv5 – Published: 2025-07-07 14:52 – Updated: 2025-07-07 15:01
VLAI
EPSS
VEX
Title
Mescius ActiveReports.NET TypeResolutionService Deserialization of Untrusted Data Remote Code Execution Vulnerability
Summary
Mescius ActiveReports.NET TypeResolutionService Deserialization of Untrusted Data Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Mescius ActiveReports.NET. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation.
The specific flaw exists within the TypeResolutionService class. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-25397.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-07-07 15:01 UTC
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_research-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Mescius | ActiveReports.NET |
Affected:
18.1.1
|
Date Public
2025-06-27 22:41
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CVE-2025-6810 (GCVE-0-2025-6810)
Vulnerability from cvelistv5 – Published: 2025-07-07 14:51 – Updated: 2025-07-07 15:04
VLAI
EPSS
VEX
Title
Mescius ActiveReports.NET ReadValue Deserialization of Untrusted Data Remote Code Execution Vulnerability
Summary
Mescius ActiveReports.NET ReadValue Deserialization of Untrusted Data Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Mescius ActiveReports.NET. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation.
The specific flaw exists within the implementation of the ReadValue method. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-25246.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-07-07 15:04 UTC
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_research-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Mescius | ActiveReports.NET |
Affected:
18.1.1
|
Date Public
2025-06-27 22:40
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CVE-2025-6742 (GCVE-0-2025-6742)
Vulnerability from cvelistv5 – Published: 2025-07-09 05:23 – Updated: 2025-07-09 14:14
VLAI
EPSS
VEX
Title
SureForms – Drag and Drop Form Builder for WordPress <= 1.7.3 - Unauthenticated PHP Object Injection (PHAR) Triggered via Admin Submission Deletion
Summary
The SureForms – Drag and Drop Form Builder for WordPress plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.7.3 via the use of file_exists() in the delete_entry_files() function without restriction on the path provided. This makes it possible for unauthenticated attackers to inject a PHP Object. No known POP chain is present in the vulnerable software, which means this vulnerability has no impact unless another plugin or theme containing a POP chain is installed on the site. If a POP chain is present via an additional plugin or theme installed on the target system, it may allow the attacker to perform actions like delete arbitrary files, retrieve sensitive data, or execute code depending on the POP chain present.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-07-09 14:14 UTC
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| brainstormforce | SureForms – Drag and Drop Form Builder for WordPress |
Affected:
0.0 , ≤ 0.0.13
(semver)
Affected: 1.0 , ≤ 1.0.6 (semver) Affected: 1.1 , ≤ 1.1.1 (semver) Affected: 1.2 , ≤ 1.2.4 (semver) Affected: 1.3 , ≤ 1.3.1 (semver) Affected: 1.4 , ≤ 1.4.4 (semver) Affected: 1.5 Affected: 1.6 , ≤ 1.6.4 (semver) Affected: 1.7 , ≤ 1.7.3 (semver) |
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CVE-2025-6544 (GCVE-0-2025-6544)
Vulnerability from cvelistv5 – Published: 2025-09-21 09:00 – Updated: 2025-09-22 17:23
VLAI
EPSS
VEX
Title
Deserialization Vulnerability in h2oai/h2o-3
Summary
A deserialization vulnerability exists in h2oai/h2o-3 versions <= 3.46.0.8, allowing attackers to read arbitrary system files and execute arbitrary code. The vulnerability arises from improper handling of JDBC connection parameters, which can be exploited by bypassing regular expression checks and using double URL encoding. This issue impacts all users of the affected versions.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-09-22 17:23 UTC
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| h2oai | h2oai/h2o-3 |
Affected:
unspecified , < 3.46.8
(custom)
|
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CVE-2025-6507 (GCVE-0-2025-6507)
Vulnerability from cvelistv5 – Published: 2025-09-01 05:10 – Updated: 2025-09-02 19:29
VLAI
EPSS
VEX
Title
Deserialization of Untrusted Data in h2oai/h2o-3
Summary
A vulnerability in the h2oai/h2o-3 repository allows attackers to exploit deserialization of untrusted data, potentially leading to arbitrary code execution and reading of system files. This issue affects the latest master branch version 3.47.0.99999. The vulnerability arises from the ability to bypass regular expression filters intended to prevent malicious parameter injection in JDBC connections. Attackers can manipulate spaces between parameters to evade detection, allowing for unauthorized file access and code execution. The vulnerability is addressed in version 3.46.0.8.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-09-02 19:29 UTC
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| h2oai | h2oai/h2o-3 |
Affected:
unspecified , < 3.46.0.8
(custom)
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CVE-2025-6464 (GCVE-0-2025-6464)
Vulnerability from cvelistv5 – Published: 2025-07-02 05:29 – Updated: 2026-04-08 16:58
VLAI
EPSS
VEX
Title
Forminator Forms – Contact Form, Payment Form & Custom Form Builder <= 1.44.2 - Unauthenticated PHP Object Injection (PHAR) Triggered via Administrator Form Submission Deletion
Summary
The Forminator Forms – Contact Form, Payment Form & Custom Form Builder plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.44.2 via deserialization of untrusted input in the 'entry_delete_upload_files' function. This makes it possible for unauthenticated attackers to inject a PHP Object through a PHAR file. No known POP chain is present in the vulnerable software, which means this vulnerability has no impact unless another plugin or theme containing a POP chain is installed on the site. If a POP chain is present via an additional plugin or theme installed on the target system, it may allow the attacker to perform actions like delete arbitrary files, retrieve sensitive data, or execute code depending on the POP chain present. Deserialization occurs when the form submission is deleted, whether by an Administrator or via auto-deletion determined by plugin settings.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-07-02 13:14 UTC
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| wpmudev | Forminator Forms – Contact Form, Payment Form & Custom Form Builder |
Affected:
0 , ≤ 1.44.2
(semver)
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Mitigation
Architecture and Design
Implementation
If available, use the signing/sealing features of the programming language to assure that deserialized data has not been tainted. For example, a hash-based message authentication code (HMAC) could be used to ensure that data has not been modified.
Mitigation
Implementation
When deserializing data, populate a new object rather than just deserializing. The result is that the data flows through safe input validation and that the functions are safe.
Mitigation
Implementation
Explicitly define a final object() to prevent deserialization.
Mitigation
Architecture and Design
Implementation
- Make fields transient to protect them from deserialization.
- An attempt to serialize and then deserialize a class containing transient fields will result in NULLs where the transient data should be. This is an excellent way to prevent time, environment-based, or sensitive variables from being carried over and used improperly.
Mitigation
Implementation
Avoid having unnecessary types or gadgets (a sequence of instances and method invocations that can self-execute during the deserialization process, often found in libraries) available that can be leveraged for malicious ends. This limits the potential for unintended or unauthorized types and gadgets to be leveraged by the attacker. Add only acceptable classes to an allowlist. Note: new gadgets are constantly being discovered, so this alone is not a sufficient mitigation.
Mitigation
Architecture and Design
Implementation
Employ cryptography of the data or code for protection. However, it's important to note that it would still be client-side security. This is risky because if the client is compromised then the security implemented on the client (the cryptography) can be bypassed.
Mitigation MIT-29
Operation
Strategy: Firewall
Use an application firewall that can detect attacks against this weakness. It can be beneficial in cases in which the code cannot be fixed (because it is controlled by a third party), as an emergency prevention measure while more comprehensive software assurance measures are applied, or to provide defense in depth [REF-1481].
CAPEC-586: Object Injection
An adversary attempts to exploit an application by injecting additional, malicious content during its processing of serialized objects. Developers leverage serialization in order to convert data or state into a static, binary format for saving to disk or transferring over a network. These objects are then deserialized when needed to recover the data/state. By injecting a malformed object into a vulnerable application, an adversary can potentially compromise the application by manipulating the deserialization process. This can result in a number of unwanted outcomes, including remote code execution.