Description

my little forum is a PHP and MySQL based internet forum that displays the messages in classical threaded view. Prior to 20260208.1, the application fails to filter the phar:// protocol in URL validation, allowing attackers to upload a malicious Phar Polyglot file (disguised as JPEG) via the image upload feature, trigger Phar deserialization through BBCode [img] tag processing, and exploit Smarty 4.1.0 POP chain to achieve arbitrary file deletion. This vulnerability is fixed in 20260208.1.

INFO

Published Date :

2026-02-09T21:56:02.862Z

Last Modified :

2026-02-11T21:20:25.222Z

Source :

GitHub_M
AFFECTED PRODUCTS

The following products are affected by CVE-2026-25923 vulnerability.

Vendors Products
My Little Forum
  • My Little Forum
Mylittleforum
  • My Little Forum
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-25923.

URL Resource
https://github.com/My-Little-Forum/mylittleforum/releases/tag/20260208.1 cve-icon cve-icon
https://github.com/My-Little-Forum/mylittleforum/security/advisories/GHSA-wr9p-3c3g-78fw cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact