CVE-2025-41376 CRLF Injection in Limesurvey
Remote attackers can inject HTTP headers and perform response splitting in LimeSurvey, potentially bypassing security controls or poisoning caches.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-41376?
CVE-2025-41376 is a medium-severity vulnerability in Limesurvey Limesurvey, published on 1 Aug 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
CRLF Injection vulnerability in Limesurvey v2.65.1+170522. This vulnerability could allow a remote attacker to inject arbitrary HTTP headers and perform HTTP response splitting attacks via '/index.php/survey/index/sid/<SID>/token/fwyfw%0d%0aCookie:%20POC'.
Weakness: CWE-93
Which versions are affected by CVE-2025-41376?
It affects 1 product.
Products include Limesurvey Limesurvey.
How do I fix CVE-2025-41376?
No fix has been published for CVE-2025-41376 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-41376 being exploited?
There is no known exploitation of CVE-2025-41376 in the wild and no public exploit code.
Other vulnerabilities in Limesurvey Limesurvey
Sources
Also known as GHSA-g37j-43j6-2q28.