CVE-2025-31120: nameless — Exploit & Fix

Description

NamelessMC is a free, easy to use & powerful website software for Minecraft servers. In version 2.1.4 and prior, an insecure view count mechanism in the forum page allows an unauthenticated attacker to artificially increase the view count. The application relies on a client-side cookie (nl-topic-[tid]) (or session variable for guests) to determine if a view should be counted. When a client does not provide the cookie, every page request increments the counter, leading to incorrect view metrics. This issue has been patched in version 2.2.0.

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CVSS v3.1 Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Weakness Type (CWE)

CWE-565 CWE-565

Affected Products

Vendor	Product	Versions
namelessmc	nameless	< 2.2.0

References

Advisories & Patches

https://github.com/NamelessMC/Nameless/commit/9b112c0beab346a38b6f5a51e7773b38c6fc52e7 https://github.com/NamelessMC/Nameless/security/advisories/GHSA-8jv7-77jw-h646 https://github.com/NamelessMC/Nameless/security/advisories/GHSA-8jv7-77jw-h646

Exploits

https://github.com/NamelessMC/Nameless/security/advisories/GHSA-8jv7-77jw-h646 https://github.com/NamelessMC/Nameless/security/advisories/GHSA-8jv7-77jw-h646

Other References

https://github.com/NamelessMC/Nameless/releases/tag/v2.2.0

Frequently Asked Questions

What is CVE-2025-31120? +

NamelessMC is a free, easy to use & powerful website software for Minecraft servers. In version 2.1.4 and prior, an insecure view count mechanism in the forum page allows an unauthenticated attacker to artificially increase the view count. The application relies on a client-side cookie (nl-topic-[tid]) (or session variable for guests) to determine if a view should be counted. When a client does not provide the cookie, every page request increments the counter, leading to incorrect view metrics. This issue has been patched in version 2.2.0. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2025-31120? +

CVE-2025-31120 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-31120? +

CVE-2025-31120 affects products from namelessmc, specifically: nameless. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-31120? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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