CVE-2026-91775CWE-79cross-site-scripting

CVE-2026-91775

published September 23, 2026

CVSS
7.4
EPSS
0%
Percentile
30.8
In the wild
Unconfirmed
What it is

LimeSurvey Community Edition 7.0.14 fails to safely encode attacker-controlled content from a crafted .lss survey file when displaying import warnings, resulting in XSS in the administrative interface.

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
0.00380 · 30.8th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-09-23T22:17Z
References (4)
https://fluidattacks.com/advisories/alone · [email protected]https://github.com/LimeSurvey/LimeSurvey · [email protected]https://github.com/LimeSurvey/LimeSurvey/commit/c96db8093e852eb8b1a2ebbb32478d6fb34cb651 · [email protected]https://fluidattacks.com/advisories/alone · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 25 SEP 03:28Z
    EPSS moved — → 0%
    epss
  • 23 SEP 17:13Z
    LimeSurvey Community Edition 7.0.14 - Reflected XSS through unescaped LSS survey-import warnings
    cvelistv5