Path Traversal in Sscms
CVE-2026-4542
A vulnerability has been found in SSCMS 4.7.0. The affected element is an unknown function of the file LayerImageController.Submit.cs of the component layerImage Endpoint. Such manipulation of the argument filePaths leads to path traversal. The attack may be performed from remote. The exploit has been disclosed to the public and may be used.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (36.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 36.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001
Affected products
- Sscms — versions 4.7.0
Weakness classification (CWE)
References
- vuldb.com/vuln/352359 (technical-description, vdb-entry)
- vuldb.com/vuln/352359/cti (signature, permissions-required)
- vuldb.com/submit/774689 (third-party-advisory)
- www.yuque.com/la12138/pa2fpb/vlyutc51eb7vhwaz (exploit)
Frequently asked questions
- What is CVE-2026-4542?
- CVE-2026-4542 is a medium-severity vulnerability in Sscms, classified under Path Traversal. CVSS score: 5.4/10. Published 2026-03-22.
- How severe is CVE-2026-4542?
- Medium severity. CVSS v3 base score is 5.4 out of 10.