Vulnerability Details CVE-2026-48945
The K2 article gallery upload path accepts a zip/tar archive, extracts it under `/media/k2/galleries/<id>/`, and only renames image files (gif/jpg/jpeg/png/webp) to safe names — non-image files (including `.php`) are extracted as-is and remain executable via direct HTTP access.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 9.7%
CVSS Severity
CVSS v3 Score 5.3
Products affected by CVE-2026-48945
-
cpe:2.3:a:joomlaworks:k2:-
-
cpe:2.3:a:joomlaworks:k2:2.10.1
-
cpe:2.3:a:joomlaworks:k2:2.13
-
cpe:2.3:a:joomlaworks:k2:2.14
-
cpe:2.3:a:joomlaworks:k2:2.15
-
cpe:2.3:a:joomlaworks:k2:2.16
-
cpe:2.3:a:joomlaworks:k2:2.17
-
cpe:2.3:a:joomlaworks:k2:2.18
-
cpe:2.3:a:joomlaworks:k2:2.19
-
cpe:2.3:a:joomlaworks:k2:2.20
-
cpe:2.3:a:joomlaworks:k2:2.21
-
cpe:2.3:a:joomlaworks:k2:2.22
-
cpe:2.3:a:joomlaworks:k2:2.23
-
cpe:2.3:a:joomlaworks:k2:2.24
-
cpe:2.3:a:joomlaworks:k2:2.25
-
cpe:2.3:a:joomlaworks:k2:2.26
-
cpe:2.3:a:joomlaworks:k2:2.8.0