{"cve":"CVE-2022-24899","nvd":{"published":"2022-05-06T00:15:07.757","modified":"2026-06-17T04:32:45.630","status":"Modified","description":"Contao is a powerful open source CMS that allows you to create professional websites and scalable web applications. In versions of Contao prior to 4.13.3 it is possible to inject code into the canonical tag. As a workaround users may disable canonical tags in the root page settings.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-79"],"references":["https://contao.org/en/security-advisories/cross-site-scripting-via-canonical-url.html","https://github.com/contao/contao/commit/199206849a87ddd0fa5cf674eb3c58292fd8366c","https://github.com/contao/contao/security/advisories/GHSA-m8x6-6r63-qvj2","https://contao.org/en/security-advisories/cross-site-scripting-via-canonical-url.html","https://github.com/contao/contao/commit/199206849a87ddd0fa5cf674eb3c58292fd8366c"],"products":["contao:contao"],"source":"nvd","synced_at":"2026-10-19T21:31:59.322382750+00:00"},"epss":{"cve":"CVE-2022-24899","score":0.04478,"percentile":0.91462,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}