Medium severity · published Jan 28, 2026
CVE-2020-36993
LimeSurvey <= 4.3.10 - 'Survey Menu' Persistent Cross-Site Scripting
5.4
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 21% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
LimeSurvey · Limesurvey
through 4.3.10 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-36993
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-36993
Patch
https://github.com/LimeSurvey/LimeSurvey/commit/3712854a8fd8d875c67640969a1d54c4d93d3676
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-site-scripting
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