CVE-2022-23626

Public Exploit
Insufficient file checks in m1k1o/blog

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.

Categories

8.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 2.22% Top 20%
Third-Party Advisory packetstormsecurity.com Third-Party Advisory github.com Third-Party Advisory github.com
Affected: m1k1o blog
Published at:
Updated at:

References

Link Tags
https://github.com/m1k1o/blog/security/advisories/GHSA-wmqj-5v54-24x4 third party advisory
https://github.com/m1k1o/blog/commit/6f5e59f1401c4a3cf2e518aa85b231ea14e8a2ef third party advisory patch
http://packetstormsecurity.com/files/167235/m1k1os-Blog-1.3-Remote-Code-Execution.html exploit vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2022-23626?
CVE-2022-23626 has been scored as a high severity vulnerability.
How to fix CVE-2022-23626?
To fix CVE-2022-23626, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-23626 being actively exploited in the wild?
It is possible that CVE-2022-23626 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-23626?
CVE-2022-23626 affects m1k1o blog.
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