Vulnerability · Published Jun 25, 2026 · Assigned by Joomla
CVE-2026-48942Joomla Extension - getk2.org - Stored-XSS in K2 extension for Joomla < 2.26
Medium 6.1
In plain English
A medium-severity cross-site scripting in K2 extension for Joomla from getk2.org. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities).
Severity (CVSS 3.1)6.1Medium
Exploit odds (30 days)0.3%top 83.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
K2 ≤ 2.26 renders the `#__k2_users.image` column directly into HTML `src` attributes via two distinct templates, in both cases without HTML escaping.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| getk2.org | K2 extension for Joomla | 1.0-2.26 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
References
- https://www.getk2.org/ product