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CVE-2026-35447— NamelessMC: Private or blocking profile pages can be bypassed with direct POST requests, and reply handling allows cross-profile writes

Quick assessment

Affected
NamelessMC Nameless
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

NamelessMC是NamelessMC团队的一款免费、易于使用且功能强大的网站软件。适用于您的 Minecraft 服务器，其中包含大量功能。 NamelessMC 2.2.4版本存在安全漏洞，该漏洞源于在处理wall post提交和回复前未验证查看者授权，可能导致向私有或阻止配置文件写入wall post以及向其他配置文件的任意wall post注入回复。

AI Predicted 5.3 Difficulty: Moderate EPSS 0.24% · P14

Possible ATT&CK Techniques 1 AI

T1133 · External Remote Services

Affected Version Matrix 1

VendorProduct Version RangeStatus
NamelessMC Nameless = 2.2.4 affected
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I. Basic Information for CVE-2026-35447

Vulnerability Information
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Vulnerability Title
NamelessMC: Private or blocking profile pages can be bypassed with direct POST requests, and reply handling allows cross-profile writes
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
通过发送数据的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
NamelessMC 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
NamelessMC是NamelessMC团队的一款免费、易于使用且功能强大的网站软件。适用于您的 Minecraft 服务器，其中包含大量功能。 NamelessMC 2.2.4版本存在安全漏洞，该漏洞源于在处理wall post提交和回复前未验证查看者授权，可能导致向私有或阻止配置文件写入wall post以及向其他配置文件的任意wall post注入回复。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
NamelessMC Nameless = 2.2.4 -

II. Public POCs for CVE-2026-35447

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III. Intelligence Information for CVE-2026-35447

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Vendor Advisories for CVE-2026-35447 (1)

Same Patch Batch · NamelessMC · 2026-06-02 · 7 CVEs total

CVE-2026-34460 5.4 MEDIUM NamelessMC: OAuth callback `state` is not validated, allowing login CSRF / session swappin
CVE-2026-32250 4.3 MEDIUM NamelessMC has Reflected Cross-Site Scripting (XSS) in id parameter of /index.php?route=/q
CVE-2026-33398 Authenticated users can read hidden forum posts through `/forum/get_quotes`
CVE-2026-35443 NamelessMC: Forum reactions bypass the "view own topics only" restriction
CVE-2026-40314 NamelessMC: Reactions on private or blocking profile posts can be read and modified withou
CVE-2026-40571 NamelessMC: Reactions on private or blocking profile posts can be modified without proper

IV. Related Vulnerabilities

Same product: Nameless
Same vendor: NamelessMC
Same weakness: CWE-201

V. Comments for CVE-2026-35447

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