CVE-2025-41074
Multiple vulnerabilities in Limesurvey
Description
Vulnerability in LimeSurvey 6.13.0 in the endpoint /optout that causes infinite HTTP redirects when accessed directly. This behavior can be exploited to generate a Denegation of Service (DoS attack), by exhausting server or client resources. The system is unable to break the redirect loop, which can cause service degradation or browser instability.
INFO
Published Date :
Nov. 20, 2025, 12:47 p.m.
Last Modified :
Nov. 20, 2025, 12:53 p.m.
Remotely Exploit :
Yes !
Source :
INCIBE
Affected Products
The following products are affected by CVE-2025-41074
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | MEDIUM | 0cbda920-cd7f-484a-8e76-bf7f4b7f4516 |
Solution
- Update LimeSurvey to a patched version.
- Implement server-side checks for redirect loops.
- Review and fix the /optout endpoint logic.
- Monitor server resources for unusual activity.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-41074 vulnerability anywhere in the article.