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CVE-2026-109209EUVD-2026-111564GHSA-5G9G-CF23-C32R

All-in-One Video Gallery <= 4.9.7 - Authenticated (Subscriber+) Stored Cross-Site Scripting via 'embedcode' Post Meta via XML-RPC

Published
Last modified
published
Not listed in CISA KEV
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

The All-in-One Video Gallery WordPress plugin, which provides video players and galleries for YouTube, Vimeo, and self-hosted videos, is affected. An authenticated user with only subscriber-level access can inject malicious scripts that run in the browsers of anyone who views the affected page, potentially compromising those visitors or site administrators.

Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.

Read the original description

The All-in-One Video Gallery – Video Player & Galleries for YouTube, Vimeo & Self-Hosted Videos plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'custom_fields[embedcode]' parameter in all versions up to, and including, 4.9.7 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 sanitization bypass is possible because the save_meta_data() handler returns early when $_POST['post_type'] is absent — a condition always true during XML-RPC requests — and the plugin unconditionally grants Subscribers the publish_aiovg_videos capability, making this exploitable by any authenticated user via a single wp.newPost XML-RPC call.

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

  • plugins360 All-in-One Video Gallery – Video Player & Galleries for YouTube, Vimeo & Self-Hosted Videos

    through 4.9.7

References 5

wordfence.com

plugins.trac.wordpress.org