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CVE-2026-18072 is a critical authentication bypass vulnerability in version 10.8.7 of the Advanced Responsive Video Embedder for Rumble, Odysee, YouTube, Vimeo, Kick plugin for WordPress. The flaw is caused by embedded malicious logic in the plugin’s _arve_uc_init() function, which is registered on the WordPress init hook with priority 1 and therefore executes on every request before normal authentication checks. The function accepts attacker-controlled input through request parameters and compares a supplied token against a hardcoded SHA-256 value embedded directly in the plugin source. The authentication path lacks nonce verification, capability checks, and password validation. Because the hardcoded value acts as universal credentials recoverable from the plugin code, an unauthenticated remote attacker can trigger the backdoor to authenticate as an arbitrarily chosen existing administrator account and seize full control of the affected WordPress site.
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_arve_uc_init() and eliminates the hardcoded authentication mechanism. Review the plugin source and deployment artifacts to confirm the malicious code is absent. Because exploitation grants administrator access, affected sites should also be treated as potentially compromised: audit administrator accounts, review plugin and theme changes, inspect for unauthorized persistence, rotate credentials, and restore from a known-good state if integrity cannot be established.No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
8 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.