{"id":"CVE-2025-41075","summary":"Multiple vulnerabilities in Limesurvey","details":"Vulnerability in LimeSurvey 6.13.0 in the endpoint /optin 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.","aliases":["BIT-limesurvey-2025-41075"],"modified":"2026-08-12T03:51:39.642913093Z","published":"2025-11-20T12:49:29.997Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/41xxx/CVE-2025-41075.json","unresolved_ranges":[{"extracted_events":[{"introduced":"6.13.0"},{"last_affected":"6.13.0"}],"source":"AFFECTED_FIELD"}],"cna_assigner":"INCIBE","cwe_ids":["CWE-835"]},"references":[{"type":"WEB","url":"https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-limesurvey-0"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/41xxx/CVE-2025-41075.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-41075"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/limesurvey/limesurvey","events":[{"introduced":"7ff92032e56eefaa0c5252a81cbd6bdbb2f03deb"},{"last_affected":"7ff92032e56eefaa0c5252a81cbd6bdbb2f03deb"}],"database_specific":{"source":"CPE_STRING","cpe":"cpe:2.3:a:limesurvey:limesurvey:6.13.0:*:*:*:*:*:*:*","extracted_events":[{"introduced":"6.13.0"},{"last_affected":"6.13.0"}]}}],"versions":["6.13.0","6.13.0+250415"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-41075.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"}]}