← Vulnerability feed

Vulnerability record · CVE-2022-23626 · published 8 February 2022

CVE-2022-23626: Blog project blog improper input validation vulnerability

Blog Project · Blog

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.

8.8 CVSS 3.1 High EPSS 9.9% · top 4.6% CWE-20 · Improper input validationCWE-252 · Unchecked return value
8.8CVSS 3.1 base score, v2 6.5
9.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/167235/m1k1os-Blog-1.3-Remote-Code-Execution.html ExploitThird Party AdvisoryVDB Entry
https://github.com/m1k1o/blog/commit/6f5e59f1401c4a3cf2e518aa85b231ea14e8a2ef PatchThird Party Advisory
https://github.com/m1k1o/blog/security/advisories/GHSA-wmqj-5v54-24x4 Third Party Advisory
http://packetstormsecurity.com/files/167235/m1k1os-Blog-1.3-Remote-Code-Execution.html ExploitThird Party AdvisoryVDB Entry
https://github.com/m1k1o/blog/commit/6f5e59f1401c4a3cf2e518aa85b231ea14e8a2ef PatchThird Party Advisory
https://github.com/m1k1o/blog/security/advisories/GHSA-wmqj-5v54-24x4 Third Party Advisory

Track CVE-2022-23626 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2017-14345Blog project blog sql injection vulnerabilitySQL Injection exists in tianchoy/blog through 2017-09-12 via the id parameter to view.php.EPSS 1.1%9.8CVE-2017-14346Blog project blog unrestricted file upload vulnerabilityupload.php in tianchoy/blog through 2017-09-12 allows unrestricted file upload and PHP code execution by using the image/jpeg, image/pjpeg, image/png…EPSS 2.1%9.5CVE-2026-88771Citrix netscaler application delivery controller improper input validation vulnerabilityImproper input validation vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issue affects ADC: before 14.1-73.37, before 13.1-…KEV9.5CVE-2026-93952Arista velocloud orchestrator improper input validation vulnerabilityVeloCloud Orchestrator (VCO) on-prem has a security issue where this issue may allow a remote attacker to access privileged internal functionality an…KEVEPSS 1.1%8.8CVE-2019-1068Microsoft SQL Server improper input validation remote code executionMicrosoft SQL Server mishandles processing of internal functions, allowing an authenticated remote attacker to execute code on the database server. T…KEVEPSS 58%analysed5.9CVE-2025-68686FortiOS symbolic link patch bypass exposes sensitive informationFortiOS contains an information exposure flaw (CWE-200) that lets a remote unauthenticated attacker bypass the patch for the symbolic link persistenc…KEVEPSS 30%analysed9.3CVE-2026-12569PTC Windchill PDMlink and FlexPLM deserialization RCEPTC Windchill PDMlink and FlexPLM contain a deserialization of untrusted data flaw (also classified as improper input validation) that allows remote …KEVEPSS 46%analysed10.0CVE-2026-34910Ubiquiti UniFi OS input validation flaw allows command injectionUniFi OS devices contain an improper input validation vulnerability (CWE-20) that lets a network-reachable attacker inject and execute commands. It a…KEVEPSS 46%analysed

Source: NIST National Vulnerability Database (record CVE-2022-23626), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.