REDAXO before 5.21.4 Stored XSS via Media and Link Input Widgets
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 5.21.4
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
REDAXO, a PHP content management system, is affected by a stored cross-site scripting flaw in its media and link input widgets. A content editor or attacker who can save crafted content can inject scripts that run in an administrator's backend session, potentially allowing account takeover.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original 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.
Timeline
- CVE published
- First seen by cve.now
Affected versions
- redaxo core
fixed in 5.21.4