Vulnerability · Published Jan 28, 2026 · Assigned by VulnCheck
CVE-2020-36993LimeSurvey <= 4.3.10 - 'Survey Menu' Persistent Cross-Site Scripting
Medium 5.4
In plain English
A medium-severity cross-site scripting in LimeSurvey from Limesurvey. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities).
Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.3%top 79.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
LimeSurvey 4.3.10 contains a stored cross-site scripting vulnerability in the Survey Menu functionality of the administration panel. Attackers can inject malicious SVG scripts through the Surveymenu[title] and Surveymenu[parent_id] parameters to execute arbitrary JavaScript in administrative contexts.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Limesurvey | LimeSurvey | 0 – through 4.3.10 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
References
- ExploitDB-48762 exploit
- LimeSurvey Official Website product
- LimeSurvey Patch Commit patch
- VulnCheck Advisory: LimeSurvey <= 4.3.10 - 'Survey Menu' Persistent Cross-Site Scripting third-party-advisory