Lagom WHMCS Template Datatables prototype pollution
Published Mar 16, 2026
5.1
MEDIUMCVSS 4.0
EPSS 0.36%
Description
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.
Affected products
-
- Version 2.3.0StatusaffectedConstraints-
- Version 2.3.1StatusaffectedConstraints-
- Version 2.3.2StatusaffectedConstraints-
- Version 2.3.3StatusaffectedConstraints-
- Version 2.3.4StatusaffectedConstraints-
- Version 2.3.5StatusaffectedConstraints-
- Version 2.3.6StatusaffectedConstraints-
- Version 2.3.7StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lagom | WHMCS Template | n/a |
|
No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
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
1 other source (NVD) ▾
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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
1 other source (NVD) ▾
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
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
AV:N/AC:L/Au:S/C:N/I:P/A:N/E:POC/RL:ND/RC:UR
1 other source (NVD) ▾
AV:N/AC:L/Au:S/C:N/I:P/A:N
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
PoCAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Mar 16, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
Mar–Oct 2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (3 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.36% (0.00357) | 27.10th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.21% (0.00206) | 10.67th | v5 (v2026.06.15) |
| Mar 17, 2026 | 0.04% (0.00037) | 10.68th | v4 (v2025.03.14) |
References (5)
- https://github.com/devsamuelsantiago/lagom-prototype-pollution-poc/ exploit
- https://github.com/devsamuelsantiago/lagom-prototype-pollution-poc/blob/main/lagom-prototype-pollution-poc.js exploit
- https://vuldb.com/?ctiid.351181 signaturepermissions-required
- https://vuldb.com/?id.351181 vdb-entry
- https://vuldb.com/?submit.771350 third-party-advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/devsamuelsantiago/lagom-prototype-pollution-poc/ | exploit | |
| https://github.com/devsamuelsantiago/lagom-prototype-pollution-poc/blob/main/lagom-prototype-pollution-poc.js | exploit | |
| https://vuldb.com/?ctiid.351181 | signaturepermissions-required | |
| https://vuldb.com/?id.351181 | vdb-entry | |
| https://vuldb.com/?submit.771350 | third-party-advisory |
Change history (0)
No recorded changes yet.