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Redux Framework <= 4.5.16 - Authenticated (Subscriber+) Stored Cross-Site Scripting via 'multi_media' Field Array Key

6.4MediumCNA
Exploited
No known exploitation
Fix
No fix listed
Who is exposed
Not reported
Published
Last modified
0.24% · 15th percentile
14/100 · provisional
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

The Redux Framework WordPress plugin has a stored cross-site scripting flaw that lets a remote attacker with a low-privilege account, such as a subscriber, inject scripts that run in the browser of anyone who opens the affected page. The malicious input is saved as an array key that is never cleaned up and is written into the page without escaping, so it can break out of an HTML attribute.

Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.

Read the original description

The Redux Framework plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'multi_media' 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 wp_kses_post 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-<KEY>" HTML attribute without esc_attr() in Redux_Multi_Media::render(), allowing attribute breakout.

cve.now Index

14Pcve.now Index 14 of 100 · methodology v3 · provisional
  • Exploitation0/40No signal
  • Exposure3/25Reachable over the network · Unknown: No advisory context yet
  • Reach?/20Unknown. No tracked technology or package matched
  • Severity6.4/10CVSS 6.4
  • No patch5/5No patch listed yet

What would change the score

  • Would score about 69 if added to CISA KEV
  • Would score about 64 if CISA's SSVC rates exploitation active
  • Would score about 33 if advisories confirm default setups are exposed

Timeline

  1. CVE published
  2. First seen by cve.now
  3. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  4. Record last updated

Affected versions

  • davidanderson Redux Framework

    through 4.5.16

Evidence 5

  1. Link
  2. Link
  3. Link
  4. Link
  5. Link

Corrections

None so far.

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Questions about CVE-2026-104812

Is CVE-2026-104812 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.Source: cve.now feed data

Which versions are affected by CVE-2026-104812?

Redux Framework: through 4.5.16.Source: cve.now feed data