Is CVE-2026-116900 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-116900?

CVE-2026-116900 has a CVSS v3 severity of MEDIUM (5.4).

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CVE-2026-116900

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.