CVE-2025-41376

Medium

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'.

SeverityMedium
CVSS5.3
Exploit probability—
ProductLimesurvey
PublishedAug 1, 2025
First seenAug 1, 2025
Weakness typeCWE-93CWE-93

How to fix

Update
  • limesurvey limesurvey3.0.0 or later

Affected products

ProductAffected versionsFixed in
limesurvey limesurvey2.65.1 ≤ v < 3.0.03.0.0

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.

CVE-2025-41376 · Limesurvey · Dark Radar