CVE-2026-63360CWE-79cross-site-scripting

CVE-2026-63360

published August 27, 2026

CVSS
7.4
EPSS
0%
Percentile
39.0
In the wild
Unconfirmed
What it is

LimeSurvey Community Edition 7.0.5+260623 contains an authenticated reflected Cross-Site Scripting vulnerability in the user activation confirmation endpoint. The action query parameter is copied into the response and inserted into a hidden input attribute without HTML attribute encoding.

This issue affects LimeSurvey: 7.0.5.

The record
Technical detail
CVSS
7.4 · NONE
CVSS v4.0
7.4 · CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N
EPSS
0.00461 · 39.0th 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/advisories/raine · [email protected]https://github.com/LimeSurvey/LimeSurvey · [email protected]https://fluidattacks.com/advisories/raine · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 28 AUG 06:49Z
    EPSS moved — → 0%
    epss
  • 26 AUG 21:47Z
    LimeSurvey Community Edition 7.0.5 - Reflected XSS in user activation confirmation endpoint
    cvelistv5