CVE-2026-64873 Joomla Extension - regularlabs.com - SSRF in Cache Cleaner Pro extension
Attackers can exploit a Server-Side Request Forgery vulnerability in the Cache Cleaner Pro extension to access internal network services.
- 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-2026-64873?
CVE-2026-64873 is a critical server-side request forgery vulnerability in regularlabs.com Cache Cleaner Pro extension for Joomla, published on 23 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Joomla Extension - regularlabs.com - SSRF in Cache Cleaner Pro extension - Custom query URLs could access internal or reserved network services.
Weakness: CWE-918
Which versions are affected by CVE-2026-64873?
How do I fix CVE-2026-64873?
No fix has been published for CVE-2026-64873 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-64873 being exploited?
There is no known exploitation of CVE-2026-64873 in the wild and no public exploit code.
Sources
Also known as GHSA-4p75-9px8-9c8r.