CVE-2022-23626

Name: CVE-2022-23626
Creator: NVD / NIST
Published: 2022-02-08T22:15:07.817+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 9.87%

Last modified Jun 17, 2026

CVE-2022-23626 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. m1k1o/blog is a lightweight self-hosted facebook-styled PHP blog. Errors from functions `imagecreatefrom*` and `image*` have not been checked properly. EPSS estimates a 9.87% chance of exploitation in the next 30 days.

Description

m1k1o/blog is a lightweight self-hosted facebook-styled PHP blog. Errors from functions `imagecreatefrom*` and `image*` have not been checked properly. Although PHP issued warnings and the upload function returned `false`, the original file (that could contain a malicious payload) was kept on the disk. Users are advised to upgrade as soon as possible. There are no known workarounds for this issue.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

9.87%

95.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Blog Project	Blog	< 1.4

References

http://packetstormsecurity.com/files/167235/m1k1os-Blog-1.3-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
https://github.com/m1k1o/blog/commit/6f5e59f1401c4a3cf2e518aa85b231ea14e8a2efPatch, Third Party Advisory
https://github.com/m1k1o/blog/security/advisories/GHSA-wmqj-5v54-24x4Third Party Advisory
http://packetstormsecurity.com/files/167235/m1k1os-Blog-1.3-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
https://github.com/m1k1o/blog/commit/6f5e59f1401c4a3cf2e518aa85b231ea14e8a2efPatch, Third Party Advisory
https://github.com/m1k1o/blog/security/advisories/GHSA-wmqj-5v54-24x4Third Party Advisory

Timeline

Published: Feb 8, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-23626?

How severe is CVE-2022-23626?

CVE-2022-23626 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 9.87% probability of exploitation in the next 30 days.

How do I fix CVE-2022-23626?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-23626?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST