CVE-2026-16809CWE-79cross-site-scripting

CVE-2026-16809

published August 27, 2026

CVSS
7.2
EPSS
0%
Percentile
14.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
7.2 · NONE
CVSS v4.0
7.2 · CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N
EPSS
0.00243 · 14.6th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-08-27T02:16Z
References (3)
https://fluidattacks.com/es/advisories/wellerman · [email protected]https://github.com/LimeSurvey/LimeSurvey · [email protected]https://fluidattacks.com/es/advisories/wellerman · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 28 AUG 06:31Z
    EPSS moved — → 0%
    epss
  • 26 AUG 21:39Z
    LimeSurvey Community Edition 7.0.5 - Stored XSS in quota message rendering
    cvelistv5