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CVE-2024-40546VulnerabilityPublished Updated

CVE-2024-40546: PublicCMS · n/a

Affects PublicCMSSource CVE Database V5

0

Not known to be exploited · CVSS 8.8 High.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 3.1 base score
8.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.7% chance of exploitation in 30 days – higher than 53% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 12 Jul 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.

What to do

Affected software

ProductAffectedFixed in
GitHubsanluan/PublicCMSpkg:github/sanluan/PublicCMSOther threatsAffected
  • =4.0.202302
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Organizations should immediately assess their use of PublicCMS and identify if version 4.0.202302.e or similar vulnerable versions are deployed. In the absence of an official patch, implement strict access controls to limit who can upload files via the /admin/cmsWebFile/save endpoint, ideally restricting it to trusted administrators only. Employ web application firewalls (WAFs) to detect and block suspicious file upload attempts, focusing on unusual file types or payloads. Validate and sanitize all uploaded files on the server side, enforcing strict file type, size, and content checks. Monitor server logs and network traffic for signs of exploitation attempts, such as unexpected file uploads or execution of unknown scripts. Consider isolating the CMS environment using containerization or sandboxing to limit potential damage. Stay updated with PublicCMS vendor advisories and apply patches promptly once available. Conduct regular security audits and penetration testing to identify and remediate similar vulnerabilities proactively.

Description

An arbitrary file upload vulnerability in the component /admin/cmsWebFile/save of PublicCMS v4.0.202302.e allows attackers to execute arbitrary code via uploading a crafted file.

References

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