NamelessMC Nameless 2.2.4 Profile Page ProfilePostReactionContext.php authorization

Summaryinfo

A vulnerability was found in NamelessMC Nameless 2.2.4. It has been rated as critical. This vulnerability affects unknown code of the file core/classes/Misc/ProfilePostReactionContext.php of the component Profile Page Handler. The manipulation leads to authorization. This vulnerability is uniquely identified as CVE-2026-40314. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in NamelessMC Nameless 2.2.4 and classified as critical. This issue affects an unknown function of the file core/classes/Misc/ProfilePostReactionContext.php of the component Profile Page Handler. The manipulation with an unknown input leads to a authorization vulnerability. Using CWE to declare the problem leads to CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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. `modules/Core/queries/reactions.php` allows unauthenticated GET requests for reaction details. This means that unauthenticated visitors can read reaction participants and timestamps for private profile posts and uthenticated low-privileged users can add reactions to private or blocking profile posts. Version 2.2.5 fixes the issue.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-40314 since 04/10/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/02/2026).

By approaching the search of inurl:core/classes/Misc/ProfilePostReactionContext.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• NamelessMC

Name

• Nameless

Version

• 2.2.4

Website

• Product: https://github.com/NamelessMC/Nameless/

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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