What’s Vulnerable › Vulnerabilities

CVE-2026-33398: Authenticated users can read hidden forum posts through `/forum/get_quotes`

• Severity: high (CVSS 7.1 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-02 · updated 2026-07-21
• Weakness: CWE-285

Description

NamelessMC is website software for Minecraft servers. In version 2.2.4, `modules/Forum/pages/forum/get_quotes.php` only checks whether the caller is logged in, then reads a post by attacker-controlled `post` ID and returns its content. The backend helper in `modules/Forum/classes/Forum.php` does not enforce forum or topic ACLs. In contrast, the normal topic page in `modules/Forum/pages/forum/view_topic.php` enforces forum visibility and `view_other_topics`. Any low-privileged authenticated user can enumerate post IDs and read content from hidden, private, or staff-only forums. Version 2.2.5 fixes the issue.

Affected products

• NamelessMC Nameless: = 2.2.4

References

• https://github.com/NamelessMC/Nameless/security/advisories/GHSA-2r6x-cv4f-h8fx
• https://github.com/NamelessMC/Nameless/security/advisories/GHSA-2r6x-cv4f-h8fx

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