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6.4 Medium

The Redux Framework plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'multimedia' Field Array Key in all versions due…

CVE-2026-104812

The Redux Framework plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'multimedia' Field Array Key in all versions due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The wpksespost sanitization applied at save time operates only on array leaf values, leaving array keys entirely unsanitized; the injected key is then rendered directly into an id="filelist- " HTML attribute without escattr() in ReduxMultiMedia::render(), allowing attribute breakout.

Assessment

CVSS
6.4 (v3.1)
Severity
Medium
Known exploited
Not listed in CISA KEV
Exploit availability
Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published
5 November 2026
Last updated
5 November 2026
Assigner
Wordfence

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

At the source

References

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