CVE-2026-102626

LimeSurvey Community Edition 7.4.0 - Stored XSS through the Date/Time date_min question attribute

State: Published
Severity: 7.2 High
Published: Oct 2, 2026
Updated: Oct 2, 2026
Reserved: Sep 29, 2026

Description

An authenticated LimeSurvey Community Edition 7.4.0 user with the global Surveys: create permission can store a JavaScript-breaking value in the date_min attribute of a Date/Time question. When another user renders the affected question, LimeSurvey inserts the stored value into a single-quoted inline JavaScript literal without JavaScript-context encoding.

Scores

CVSS	Score	Vector	Source
4.0	7.2 High	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	Fluid Attacks

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

Affected Products

Product	Versions
LimeSurveyLimeSurvey	7.4.0Affected

References

https://fluidattacks.com/advisories/goldenthird-party-advisory
https://github.com/LimeSurvey/LimeSurvey/product
https://github.com/LimeSurvey/LimeSurvey/commit/32e54f14f0b4ddc2d8144daaabf7e23c3bbfb8e8patch

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