CVE-2025-31118 NamelessMC Has Forum Reply Submission Time Limit Bypass

What is CVE-2025-31118?

CVE-2025-31118 is a high-severity denial of service vulnerability in NamelessMC Nameless, published on 18 Apr 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

NamelessMC is a free, easy to use & powerful website software for Minecraft servers. In version 2.1.4 and prior, forum quick reply feature (view_topic.php) does not implement any spam prevention mechanism. This allows authenticated users to continuously post replies without any time restriction, resulting in an uncontrolled surge of posts that can disrupt normal operations. This issue has been patched in version 2.2.0.

Weakness: CWE-400

Which versions are affected by CVE-2025-31118?

It affects 1 product.

Products include Namelessmc Nameless.

How do I fix CVE-2025-31118?

No fix has been published for CVE-2025-31118 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2025-31118 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-31118 exists.

Other vulnerabilities in NamelessMC Nameless

• CVE-2022-2821 Missing Critical Step in Authentication in namelessmc/nameless Critical 9.8
• CVE-2025-54117 NamelessMC allows Stored Cross-Site Scripting (XSS) in dashboard text editor Critical 9.1
• CVE-2025-22144 Account Takeover in NamelessMC Critical 9.0
• CVE-2025-32389 NamelessMC Vulnerable to SQL Injections in /user/messaging and /panel/users/reports Pages High 8.6
• CVE-2025-29784 NamelessMC Has Lack of Length Validation for s Parameter in GET Requests High 7.5

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-jhvp-mwj4-922m.