CVE-2025-40636 SQL injection in the mod_vvisit_counter module
An attacker can retrieve database content via a crafted cookie in the Joomla visit counter module.
- 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-2025-40636?
CVE-2025-40636 is a critical SQL injection vulnerability in mod_vvisit_counter, published on 3 Oct 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
SQL injection vulnerability in Joomla module mod_vvisit_counter v2.0.4j3. This vulnerability allows an attacker to retrieve database content via the ‘cip_vvisitcounter’ cookie at all endpoints where the plugin counts visits.
Weakness: CWE-89
Which versions are affected by CVE-2025-40636?
How do I fix CVE-2025-40636?
No fix has been published for CVE-2025-40636 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2025-40636 being exploited?
There is no known exploitation of CVE-2025-40636 in the wild and no public exploit code.
Sources
Also known as GHSA-x7jc-5433-2rvx.