CVE-2026-102626 LimeSurvey Community Edition 7.4.0 - Stored XSS through the Date/Time date_min question attribute
Authenticated users can inject JavaScript via date_min attributes, leading to stored XSS when other users view the survey.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-102626?
CVE-2026-102626 is a high-severity cross-site scripting vulnerability in LimeSurvey, published on 2 Oct 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-79
Which versions are affected by CVE-2026-102626?
How do I fix CVE-2026-102626?
No fix has been published for CVE-2026-102626 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-102626 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-102626 exists.
Sources
Also known as GHSA-wv52-h9cj-cvvw.