CVE Explorer
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.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"K2 extension for Joomla","vendor":"getk2.org","versions":[{"status":"affected","version":"1.0-2.26"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:9f52970904b24aeb8305e0c8ef15b2a3878ede17a092a4fcc532524c11f0dc4b · sha256:e71999ae02a4c455… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:9f52970904b24aeb8305e0c8ef15b2a3878ede17a092a4fcc532524c11f0dc4b · sha256:e71999ae02a4c455… · /containers/adp/0/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-434","description":"CWE-434 Unrestricted Upload via archive extraction","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:9f52970904b24aeb8305e0c8ef15b2a3878ede17a092a4fcc532524c11f0dc4b · sha256:e71999ae02a4c455… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"tags":["product"],"url":"https://www.getk2.org/"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:9f52970904b24aeb8305e0c8ef15b2a3878ede17a092a4fcc532524c11f0dc4b · sha256:e71999ae02a4c455… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.