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Description

NamelessMC is website software for Minecraft servers. In version 2.2.4, `core/classes/Misc/ProfilePostReactionContext.php` only verifies that the wall post exists and does not enforce blocked/private-profile visibility. This means that authenticated low-privileged users can add reactions to private or blocking profile posts. Version 2.2.5 contains a patch.

PUBLISHED Reserved 2026-04-14 | Published 2026-06-02 | Updated 2026-06-03 | Assigner GitHub_M




MEDIUM: 5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

Problem types

CWE-862: Missing Authorization

Product status

= 2.2.4
affected

References

github.com/...meless/security/advisories/GHSA-47hr-jj6c-rqf9 exploit

github.com/...meless/security/advisories/GHSA-47hr-jj6c-rqf9

cve.org (CVE-2026-40571)

nvd.nist.gov (CVE-2026-40571)

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