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CVE-2018-25249— MyBB My Arcade Plugin 1.3 Persistent XSS via Comment

Quick assessment

Affected
MyBB MyBB My Arcade Plugin
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.

MyBB My Arcade Plugin是MyBB公司的一个论坛下载插件。 MyBB My Arcade Plugin 1.3版本存在跨站脚本漏洞，该漏洞源于街机游戏分数评论字段未正确清理输入，可能导致经过身份验证的用户通过评论字段注入恶意脚本。

CVSS 6.4 · Medium EPSS 0.25% · P15

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 1

VendorProduct Version RangeStatus
MyBB MyBB My Arcade Plugin 1.3 affected
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I. Basic Information for CVE-2018-25249

Vulnerability Information
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
MyBB My Arcade Plugin 1.3 Persistent XSS via Comment
Source: CVE Program / CVE List V5
Vulnerability Description
MyBB My Arcade Plugin 1.3 contains a persistent cross-site scripting vulnerability that allows authenticated users to inject malicious scripts through arcade game score comments. Attackers can add crafted HTML and JavaScript payloads in the comment field that execute when other users view or edit the comment.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
MyBB My Arcade Plugin 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MyBB My Arcade Plugin是MyBB公司的一个论坛下载插件。 MyBB My Arcade Plugin 1.3版本存在跨站脚本漏洞，该漏洞源于街机游戏分数评论字段未正确清理输入，可能导致经过身份验证的用户通过评论字段注入恶意脚本。
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
MyBB MyBB My Arcade Plugin 1.3 -

II. Public POCs for CVE-2018-25249

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III. Intelligence Information for CVE-2018-25249

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Vendor Advisories for CVE-2018-25249 (1)

Exploits & Public PoCs for CVE-2018-25249 (1)

Same Patch Batch · MyBB · 2026-04-04 · 4 CVEs total

CVE-2018-25248 7.2 HIGH MyBB Downloads Plugin 2.0.3 Persistent XSS via downloads.php
CVE-2018-25250 7.2 HIGH MyBB Last User's Threads in Profile Plugin 1.2 Persistent XSS
CVE-2018-25247 6.1 MEDIUM MyBB Like Plugin 3.0.0 Cross-Site Scripting via User Profiles

IV. Related Vulnerabilities

Same vendor: MyBB
Same weakness: CWE-79

V. Comments for CVE-2018-25249

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