High 7.4Published Sep 23, 2026

CVE-2026-91775LimeSurvey Community Edition 7.0.14 - Reflected XSS through unescaped LSS survey-import warnings

Updated under an hour ago (2026-10-19 07:10 UTC)

Does this affect you?

It affects LimeSurvey. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for LimeSurvey

Exploited in the last 30 days

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.

CVSS: 7.4 HIGH (v4.0, CNA)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
Weakness (CWE): CWE-79
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Fluid Attacks
NVD analysis: Deferred
Record last updated: Oct 2, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

LimeSurvey LimeSurvey limesurvey:limesurvey (from the name)	7.0.14	CNA record

References

https://fluidattacks.com/advisories/alonethird-party-advisory
https://github.com/LimeSurvey/LimeSurveyproduct
https://github.com/LimeSurvey/LimeSurvey/commit/c96db8093e852eb8b1a2ebbb32478d6fb34cb651patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.