CVE-2026-48942

EUVD-2026-39439
K2 ≤ 2.26 renders the `#__k2_users.image` column directly into HTML `src` attributes via two distinct templates, in both cases without HTML escaping.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.1 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 4.56%
Affected Products (NVD)
VendorProductVersion
joomlaworksk2
𝑥
≤ 2.26
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.getk2.org/