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GHSA-fgxj-g7x3-85cqlow2.0

Stored cross site scripting in RSS displayer

Impact

Concrete CMS (previously concrete5) before 9.1 is vulnerable to stored XSS in RSS Displayer via the href attribute because the link element input was not sanitized.

Source excerpt · OSV

Affected packages

Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.

concrete5/concrete5 Packagist
Affected rangeRecorded fix
Earlier releases before 9.1.0Ecosystem versions9.1.0

Version evidence: OSV · GHSA-fgxj-g7x3-85cq

View original version evidence (50 explicit versions)

Original source description

Concrete CMS (previously concrete5) before 9.1 is vulnerable to stored XSS in RSS Displayer via the href attribute because the link element input was not sanitized.

References