CVE-2026-18072 Auth bypass in Advanced Responsive Video Embedder for Rumble, Odysee, YouTube, Vimeo, Kick …
Unauthenticated attackers can bypass authentication using a hardcoded backdoor token to gain full administrative control over the WordPress site.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-18072?
CVE-2026-18072 is a critical authentication bypass vulnerability in nico23 Advanced Responsive Video Embedder for Rumble, Odysee, YouTube, Vimeo, Kick …, published on 29 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-506
Which versions are affected by CVE-2026-18072?
How do I fix CVE-2026-18072?
No fix has been published for CVE-2026-18072 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-18072 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-18072 exists.
Public exploit code: 1 Nuclei template.
Sources
Also known as GHSA-45wh-rxq4-jqc6.