Improper input validation in Blog Project

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.099 (95.4th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2022-23626: held from 0.099 to 0.099.

EPSS over last 30 days · oldest: 0.099 · newest: 0.099 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-23626?
CVE-2022-23626 is a high-severity vulnerability in Blog Project, classified under Improper Input Validation. CVSS score: 8.5/10. Published 2022-02-08.
How severe is CVE-2022-23626?
High severity. CVSS v3 base score is 8.5 out of 10.
Is CVE-2022-23626 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.