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Redux Framework <= 4.5.16 - Authenticated (Custom+) Stored Cross-Site Scripting via theme_opts Parameter via User Profile

6.4MediumCNA
Exploited
No known exploitation
Fix
No fix listed
Who is exposed
Not reported
Published
Last modified
0.29% · 22nd percentile
14/100 · provisional
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

The Redux Framework WordPress plugin, in all versions up to the patched release, has a stored cross-site scripting flaw in its theme_opts parameter on the user profile. An attacker reaches it over the network with a low-privilege account (subscriber level or above) and can inject scripts that run for any user who opens the affected page, but only when the host theme has registered a CSS-emitting Redux field with an output selector.

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 theme_opts Parameter via User Profile in all versions up to, and including, 4.5.16 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. Successful exploitation requires the host theme to have registered a Redux field of a CSS-emitting type (such as link_color, border, or typography) with an output CSS selector, as only the field types 'spinner', 'slider', 'color', and 'date' receive per-type value validation that would block the entity-encoded payload.

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 9

  1. Repository
  2. Link
  3. Link
  4. Link
  5. Link
Show all 9 sourcesShow fewer sources
  1. Link
  2. Link
  3. Link
  4. Link

Corrections

None so far.

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Questions about CVE-2026-120533

Is CVE-2026-120533 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-2026-120533?

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