CVE-2026-48903

EUVD-2026-31891
Inadequate content filtering within the checkAttribute methods leads to XSS vulnerabilities in various components.
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: Unknown
Affected Products (NVD)
VendorProductVersion
joomlajoomla\!
3.0.0 ≤
𝑥
< 5.4.6
joomlajoomla\!
6.0.0 ≤
𝑥
< 6.1.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://developer.joomla.org/security-centre/1051-20260519-framework-inadequate-content-filtering-within-the-checkattribute-filter-code.html