CVE-2026-116900
CVE-2026-116900 · REDAXO before 5.21.4 Stored XSS via Media and Link Input Widgets
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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 5.1 · Medium · Fix available
- Published
- Updated
Affected products and versions
core
- Versions
- ≥ 0, < 5.21.4: Affected (semver)
- 5.21.4: Not affected (semver)
Update to 5.21.4