CVE-2026-35447

NamelessMC: Private or blocking profile pages can be bypassed with direct POST requests, and reply handling allows cross-profile writes

State: Published
Severity: 5.3 Medium
Published: Jun 2, 2026
Updated: Jun 2, 2026
Reserved: Apr 2, 2026

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Description

NamelessMC is website software for Minecraft servers. In version 2.2.4, the profile page (modules/Core/pages/profile.php) processes wall post submissions and replies before verifying whether the viewer is authorized to access the profile. This allows any user with the profile.post permission to write wall posts to private or blocking profiles. Additionally, the reply branch does not verify that the target wall post belongs to the current profile, enabling attackers to inject replies into arbitrary wall posts owned by other profiles via a restricted profile URL. This is patched in version 2.2.5.

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N	GitHub_M

Weaknesses

CWE-201 Insertion of Sensitive Information Into Sent Data

Affected Products

Product	Versions
NamelessNamelessMC	= 2.2.4Affected

References

https://github.com/NamelessMC/Nameless/security/advisories/GHSA-c9xj-rxgw-g2hq

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