High severity · published Aug 26, 2026
CVE-2026-16809
LimeSurvey Community Edition 7.0.5 - Stored XSS in quota message rendering
7.2
CVSS
0.4%
EPSS
No
On KEV
Description
LimeSurvey Community Edition 7.0.5 contains a stored cross-site scripting vulnerability in the survey quota creation workflow. An authenticated low-privileged user who can create and manage their own survey can store malicious JavaScript in a quota message.
This issue affects LimeSurvey: 7.0.5.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 35% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
LimeSurvey · LimeSurvey
7.0.5 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-16809
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-16809
fluidattacks.com
https://fluidattacks.com/es/advisories/wellerman
github.com
https://github.com/LimeSurvey/LimeSurvey
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