An issue in the js_localize.php function of LimeSurvey v6.6.2 and before allows attackers to execute arbitrary code via injecting a crafted payload into the lng parameter of the js_localize.php function
Conclusion & alert: CVE-2024-42902 is rated High Exploit Risk (64.6/100): CVSS High severity, with low exploitation likelihood (EPSS 0.21%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-11-21 | 0.88% | 0.21% | -0.67% |
| 2 | 2025-11-18 | 0.15% | 0.88% | +0.73% |
| 3 | 2025-10-13 | — | 0.15% | — |
Full EPSS history (11 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| limesurvey | limesurvey | <= 6.6.2 | cpe:2.3:a:limesurvey:limesurvey:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://bugs.limesurvey.org/view.php?id=19639 | Broken Link |
| https://github.com/LimeSurvey/LimeSurvey/blob/6434b12ded1c4b6516200c453441d0896e11eee0/vendor/kcfinder/js_localize.php#L19 | Product |
| https://github.com/sysentr0py/CVEs/tree/main/CVE-2024-42902 | Exploit Third Party Advisory |