CVE-2026-91775

HIGHCVSS 7.4/10

Last modified

CVE-2026-91775 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. LimeSurvey fails to safely encode attacker-controlled content from a crafted .lss survey file when displaying import warnings, resulting in XSS in the administrative interface..

Description

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

Metrics

Weakness Enumeration

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-91775?
LimeSurvey fails to safely encode attacker-controlled content from a crafted .lss survey file when displaying import warnings, resulting in XSS in the administrative interface.
How severe is CVE-2026-91775?
CVE-2026-91775 has a CVSS score of 7.4/10 (HIGH severity).
How do I fix CVE-2026-91775?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST