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CVE-2026-18072

CRITICAL 9.8 CVSS 3.1
Published
July 29, 2026
Last modified
July 30, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-506
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

The Advanced Responsive Video Embedder for Rumble, Odysee, YouTube, Vimeo, Kick … plugin for WordPress is vulnerable to Authentication Bypass via a Hardcoded Backdoor in version 10.8.7. The vulnerability exists because the `_arve_uc_init()` function — registered on WordPress's `init` hook at priority 1 so that it runs before any authentication checks on every request — reads an attacker-supplied token from the `_wplogin` (or `_wpm`) parameter and compares it against a hardcoded SHA-256 hash embedded directly in the plugin source, with no nonce verification, no capability check, and no password validation anywhere in the flow. Because this static hash constitutes a set of universal credentials that are publicly accessible in the plugin's source code, unauthenticated attackers can supply the known token to be authenticated as an arbitrarily selected existing administrator account, gaining full administrative control over the affected WordPress site. This was likely introduced by an attacker who gained commit access to the developers account.

Affected WordPress components

  • Advanced Responsive Video Embedder for Rumble, Odysee, YouTube, Vimeo, Kick … Plugin · advanced-responsive-video-embedder
    Confirmed match Active
    Version 10.8.7
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • nico23 Advanced Responsive Video Embedder for Rumble, Odysee, YouTube, Vimeo, Kick … — Version 10.8.7

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/advanced-responsive-video-embedder/tags/10.8.7/advanced-responsive-video-embedder.php#L76
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/advanced-responsive-video-embedder/tags/10.8.7/php/fn-update-check.php#L24
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/advanced-responsive-video-embedder/tags/10.8.7/php/fn-update-check.php#L33
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/advanced-responsive-video-embedder/tags/10.8.7/php/fn-update-check.php#L52
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/70f64ea0-5375-479f-90ac-29bcdf817cef?source=cve
  • nvd.nist.gov Official NVD record