[backdrop/backdrop] Cross-site Scripting in Backdrop CMS

Backdrop CMS version 1.23.0 was discovered to contain a stored cross-site scripting (XSS) vulnerability via the Page content.

References

• https://nvd.nist.gov/vuln/detail/CVE-2022-42095
• https://github.com/backdrop/backdrop/releases/tag/1.23.0
• https://github.com/bypazs/Declined_backdrop-XSS-at-pAGES
• https://grimthereaperteam.medium.com/declined-backdrop-xss-at-pages-26e5d63686bc
• https://backdropcms.org
• https://github.com/bypazs/CVE-2022-42095
• https://github.com/advisories/GHSA-58rj-w2qf-qjg7