CVE-2026-57833 Joomla Extension - weeblr.com - Unauthenticated stored XSS in 4Analytics < 5.0.2
Unauthenticated attackers can inject malicious scripts via the AI analysis feature in the 4Analytics Joomla extension, potentially compromising user sessions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-57833?
CVE-2026-57833 is a high-severity cross-site scripting vulnerability in weeblr.com 4Analytics extension for Joomla, published on 15 Jul 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Joomla Extension - weeblr.com - Unauthenticated stored XSS in 4Analytics < 5.0.2 - The Joomla extension 4Analytics is vulnerable to an unauthenticated stored XSS in relation to the AI analysis feature.
Weakness: CWE-79
Which versions are affected by CVE-2026-57833?
How do I fix CVE-2026-57833?
No fix has been published for CVE-2026-57833 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-57833 being exploited?
There is no known exploitation of CVE-2026-57833 in the wild and no public exploit code.
Sources
Also known as GHSA-8q44-8chq-65hc.