What is CVE-2024-42523?

CVE-2024-42523 is a high-severity vulnerability in Publiccms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.2/10. Published 2024-08-23.

How severe is CVE-2024-42523?

High severity. CVSS v3 base score is 7.2 out of 10.

Arbitrary file upload in Publiccms

CVE-2024-42523

publiccms V4.0.202302.e and before is vulnerable to Any File Upload via publiccms/admin/cmsTemplate/saveMetaData

Vulnerability class: Unrestricted File Upload

Published 2024-08-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (41.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 41.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Publiccms

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

gitee.com/sanluan/PublicCMS/issues/IADVDM (Exploit, Issue Tracking)
gist.github.com/ilikeoyt/3dbbca2679c2551eaaeaea9c83acf1a1 (Third Party Advisory)

Frequently asked questions

What is CVE-2024-42523?: CVE-2024-42523 is a high-severity vulnerability in Publiccms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.2/10. Published 2024-08-23.
How severe is CVE-2024-42523?: High severity. CVSS v3 base score is 7.2 out of 10.