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CVE-2026-7012— MaxSite CMS Redirect Plugin cross site scripting

CVSS 2.4 · Low EPSS 0.01% · P2
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I. Basic Information for CVE-2026-7012

Vulnerability Information
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Vulnerability Title
MaxSite CMS Redirect Plugin cross site scripting
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was detected in MaxSite CMS up to 109.3. This affects an unknown part of the component Redirect Plugin. The manipulation of the argument f_all/f_all404 results in cross site scripting. The attack can be launched remotely. The exploit is now public and may be used. Upgrading to version 109.4 is able to mitigate this issue. The patch is identified as 8a3946bd0a54bfb72a4d57179fcd253f2c550cd7. You should upgrade the affected component. The vendor was informed early about this issue. They classify it as a "Self-XSS". They deployed a countermeasure: "Nevertheless, we consider this a violation of secure coding standards. The lack of filtering via `htmlspecialchars()` has already been fixed in the latest patch to prevent incorrect data display."
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
Vulnerability Title
MaxSite CMS 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MaxSite CMS是俄国MaxSite CMS开源的一款网站内容管理系统。 MaxSite CMS 109.3及之前版本存在跨站脚本漏洞，该漏洞源于Redirect Plugin组件中f_all/f_all404参数操作，可能导致跨站脚本攻击。
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

VendorProductAffected VersionsCPESubscribe
MaxSiteCMS 109.0 -

II. Public POCs for CVE-2026-7012

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III. Intelligence Information for CVE-2026-7012

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Same Patch Batch · MaxSite · 2026-04-26 · 6 CVEs total

CVE-2026-70142.4 LOWMaxSite CMS down_count Plugin cross site scripting
CVE-2026-70132.4 LOWMaxSite CMS mail_send Plugin cross site scripting
CVE-2026-70152.4 LOWMaxSite CMS Guestbook Plugin cross site scripting
CVE-2026-70162.4 LOWMaxSite CMS ushki Plugin cross site scripting
CVE-2026-70112.4 LOWMaxSite CMS Antispam Plugin plugin_antispam cross site scripting

IV. Related Vulnerabilities

Same product: CMS
Same vendor: MaxSite
Same weakness: CWE-79

V. Comments for CVE-2026-7012

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