CVE-2020-36993

low-risk
Published 2026-01-28

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.

Do I need to act?

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0.02% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.4/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Limesurvey

References (4)

Patch https://github.com/LimeSurvey/LimeSurvey/commit/3712854a8fd8d875c67640969a1d54c4...
Exploit https://www.exploit-db.com/exploits/48762
Product https://www.limesurvey.org
Third Party Advisory https://www.vulncheck.com/advisories/limesurvey-survey-menu-persistent-cross-sit...
26
/ 100
low-risk
Severity 21/34 · High
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal