What is CVE-2025-41376?

CVE-2025-41376 is a medium-severity vulnerability in Limesurvey, classified under CRLF Injection. CVSS score: 5.3/10. Published 2025-08-01.

How severe is CVE-2025-41376?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Limesurvey

CVE-2025-41376

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'.

Vulnerability class: CRLF Injection

EPSS: 0.005 (40.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Limesurvey — versions 3.0

Weakness classification (CWE)

CWE-93 — CRLF Injection

References

cve-coordination@incibe.es (Third Party Advisory)

Frequently asked questions

What is CVE-2025-41376?: CVE-2025-41376 is a medium-severity vulnerability in Limesurvey, classified under CRLF Injection. CVSS score: 5.3/10. Published 2025-08-01.
How severe is CVE-2025-41376?: Medium severity. CVSS v3 base score is 5.3 out of 10.