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4 vulnerabilities by Lagom
CVE-2026-6601 (GCVE-0-2026-6601)
Vulnerability from nvd – Published: 2026-04-20 03:30 – Updated: 2026-04-20 16:09
VLAI
Title
Lagom WHMCS Template Datatables resource consumption
Summary
A vulnerability has been found in Lagom WHMCS Template up to 2.4.2. This impacts an unknown function of the component Datatables. The manipulation leads to resource consumption. Remote exploitation of the attack is possible. The exploit has been disclosed to the public 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
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/358236 | vdb-entry |
| https://vuldb.com/vuln/358236/cti | signaturepermissions-required |
| https://vuldb.com/submit/791943 | third-party-advisory |
| https://github.com/devsamuelsantiago/lagom-whmcs-… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Lagom | WHMCS Template |
Affected:
2.4.0
Affected: 2.4.1 Affected: 2.4.2 |
Credits
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CVE-2026-4239 (GCVE-0-2026-4239)
Vulnerability from nvd – Published: 2026-03-16 13:02 – Updated: 2026-03-16 14:42
VLAI
Title
Lagom WHMCS Template Datatables prototype pollution
Summary
A vulnerability was found in Lagom WHMCS Template up to 2.3.7. Impacted is an unknown function of the component Datatables. The manipulation results in improperly controlled modification of object prototype attributes. 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)
CWE
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.351181 | vdb-entry |
| https://vuldb.com/?ctiid.351181 | signaturepermissions-required |
| https://vuldb.com/?submit.771350 | third-party-advisory |
| https://github.com/devsamuelsantiago/lagom-protot… | exploit |
| https://github.com/devsamuelsantiago/lagom-protot… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Lagom | WHMCS Template |
Affected:
2.3.0
Affected: 2.3.1 Affected: 2.3.2 Affected: 2.3.3 Affected: 2.3.4 Affected: 2.3.5 Affected: 2.3.6 Affected: 2.3.7 |
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CVE-2026-6601 (GCVE-0-2026-6601)
Vulnerability from cvelistv5 – Published: 2026-04-20 03:30 – Updated: 2026-04-20 16:09
VLAI
Title
Lagom WHMCS Template Datatables resource consumption
Summary
A vulnerability has been found in Lagom WHMCS Template up to 2.4.2. This impacts an unknown function of the component Datatables. The manipulation leads to resource consumption. Remote exploitation of the attack is possible. The exploit has been disclosed to the public 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
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/358236 | vdb-entry |
| https://vuldb.com/vuln/358236/cti | signaturepermissions-required |
| https://vuldb.com/submit/791943 | third-party-advisory |
| https://github.com/devsamuelsantiago/lagom-whmcs-… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Lagom | WHMCS Template |
Affected:
2.4.0
Affected: 2.4.1 Affected: 2.4.2 |
Credits
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CVE-2026-4239 (GCVE-0-2026-4239)
Vulnerability from cvelistv5 – Published: 2026-03-16 13:02 – Updated: 2026-03-16 14:42
VLAI
Title
Lagom WHMCS Template Datatables prototype pollution
Summary
A vulnerability was found in Lagom WHMCS Template up to 2.3.7. Impacted is an unknown function of the component Datatables. The manipulation results in improperly controlled modification of object prototype attributes. 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)
CWE
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.351181 | vdb-entry |
| https://vuldb.com/?ctiid.351181 | signaturepermissions-required |
| https://vuldb.com/?submit.771350 | third-party-advisory |
| https://github.com/devsamuelsantiago/lagom-protot… | exploit |
| https://github.com/devsamuelsantiago/lagom-protot… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Lagom | WHMCS Template |
Affected:
2.3.0
Affected: 2.3.1 Affected: 2.3.2 Affected: 2.3.3 Affected: 2.3.4 Affected: 2.3.5 Affected: 2.3.6 Affected: 2.3.7 |
Credits
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{
"status": "affected",
"version": "2.3.6"
},
{
"status": "affected",
"version": "2.3.7"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "s4nnty (VulDB User)"
},
{
"lang": "en",
"type": "coordinator",
"value": "VulDB"
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability was found in Lagom WHMCS Template up to 2.3.7. Impacted is an unknown function of the component Datatables. The manipulation results in improperly controlled modification of object prototype attributes. 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."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 5.1,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P",
"version": "4.0"
}
},
{
"cvssV3_1": {
"baseScore": 3.5,
"baseSeverity": "LOW",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R",
"version": "3.1"
}
},
{
"cvssV3_0": {
"baseScore": 3.5,
"baseSeverity": "LOW",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R",
"version": "3.0"
}
},
{
"cvssV2_0": {
"baseScore": 4,
"vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N/E:POC/RL:ND/RC:UR",
"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-1321",
"description": "Improperly Controlled Modification of Object Prototype Attributes",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-94",
"description": "Code Injection",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-03-16T13:02:08.856Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"name": "VDB-351181 | Lagom WHMCS Template Datatables prototype pollution",
"tags": [
"vdb-entry"
],
"url": "https://vuldb.com/?id.351181"
},
{
"name": "VDB-351181 | CTI Indicators (IOB, IOC, TTP)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/?ctiid.351181"
},
{
"name": "Submit #771350 | Lagom Lagom WHMCS Template * Prototype Pollution",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/?submit.771350"
},
{
"tags": [
"exploit"
],
"url": "https://github.com/devsamuelsantiago/lagom-prototype-pollution-poc/"
},
{
"tags": [
"exploit"
],
"url": "https://github.com/devsamuelsantiago/lagom-prototype-pollution-poc/blob/main/lagom-prototype-pollution-poc.js"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-03-15T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2026-03-15T01:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-03-15T21:43:11.000Z",
"value": "VulDB entry last update"
}
],
"title": "Lagom WHMCS Template Datatables prototype pollution"
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2026-4239",
"datePublished": "2026-03-16T13:02:08.856Z",
"dateReserved": "2026-03-15T20:37:03.899Z",
"dateUpdated": "2026-03-16T14:42:22.402Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}