Vulnerability Description
REDAXO before 5.21.4 contains a stored cross-site scripting vulnerability that allows content editors to inject HTML by storing unescaped values rendered by media, medialist, link and linklist widgets. Attackers can submit crafted REX_INPUT_MEDIA or REX_INPUT_LINK values that break out of the value attribute, executing script in administrators' backend sessions to hijack accounts.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/redaxo/core/security/advisories/GHSA-5wmj-5x79-rr87
- https://www.vulncheck.com/advisories/redaxo-before-5.21.4-stored-xss-via-media-a
FAQ
What is CVE-2026-116900?
CVE-2026-116900 is a vulnerability with a CVSS score of 5.4 (MEDIUM). REDAXO before 5.21.4 contains a stored cross-site scripting vulnerability that allows content editors to inject HTML by storing unescaped values rendered by media, medialist, link and linklist widgets...
How severe is CVE-2026-116900?
CVE-2026-116900 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-116900?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.