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GHSA-9mcw-mwxv-grwjmedium6.1

Craft CMS XSS Vulnerability

Impact

Craft CMS before 2.6.2976 allows XSS attacks because an array returned by HttpRequestService::getSegments() and getActionSegments() need not be zero-based. NOTE: this vulnerability exists because of an incomplete fix for CVE-2017-8052.

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.

craftcms/cms Packagist
Affected rangeRecorded fix
Earlier releases before 2.6.2976Ecosystem versions2.6.2976

Version evidence: OSV · GHSA-9mcw-mwxv-grwj

View original version evidence (278 explicit versions)

Original source description

Craft CMS before 2.6.2976 allows XSS attacks because an array returned by HttpRequestService::getSegments() and getActionSegments() need not be zero-based. NOTE: this vulnerability exists because of an incomplete fix for CVE-2017-8052.

References