Insufficient file checks in m1k1o/blog
CVE-2022-23626

8.5HIGH

Key Information:

Vendor

M1k1o

Status
Blog
Vendor
CVE Published:
8 February 2022

What is CVE-2022-23626?

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.

Affected Version(s)

blog < 1.4

References

https://github.com/m1k1o/blog/security/advisories/GHSA-wm...
x_refsource_CONFIRM
https://github.com/m1k1o/blog/commit/6f5e59f1401c4a3cf2e5...
x_refsource_MISC
http://packetstormsecurity.com/files/167235/m1k1os-Blog-1...
x_refsource_MISC

EPSS Score

9% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
8.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.