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CVE-2026-12054— Download Manager <= 3.3.57 - Unauthenticated DOM-Based Reflected Cross-Site Scripting via 'REFERRER' Parameter

Quick assessment

Affected
codename065 Download Manager
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.

WordPress 的 Download Manager 插件在 3.3.57 及更低版本中存在反射型跨站脚本（XSS）漏洞，该漏洞源于 'REFERRER' 参数在处理过程中缺乏足够的输入清理和输出转义。攻击者无需认证即可通过构造恶意链接，向受害者浏览器注入并执行任意 Web 脚本。

CVSS 6.1 · Medium EPSS 0.17% · P6

Affected Version Matrix 1

VendorProduct Version RangeStatus
codename065 Download Manager ≤ 3.3.57 affected
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I. Basic Information for CVE-2026-12054

Vulnerability Information
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Vulnerability Title
Download Manager <= 3.3.57 - Unauthenticated DOM-Based Reflected Cross-Site Scripting via 'REFERRER' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The Download Manager plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via 'REFERRER' parameter in all versions up to, and including, 3.3.57 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts that execute in a victim's browser.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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

Affected Products

Vendor Product Affected Versions CPE Subscribe
codename065 Download Manager 0 ~ 3.3.57 -

II. Public POCs for CVE-2026-12054

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III. Intelligence Information for CVE-2026-12054

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News Coverage for CVE-2026-12054 (1)

Same Patch Batch · codename065 · 2026-10-10 · 5 CVEs total

CVE-2026-102401 6.4 MEDIUM Download Manager <= 3.3.71 - Authenticated (Contributor+) Stored Cross-Site Scripting via
CVE-2026-9696 6.4 MEDIUM Download Manager <= 3.3.58 - Authenticated (Contributor+) Stored Cross-Site Scripting via
CVE-2026-103478 6.4 MEDIUM Premium Packages <= 7.2.6 - Authenticated (Subscriber+) Stored Cross-Site Scripting via 'c
CVE-2026-103964 4.3 MEDIUM Download Manager <= 3.3.71 - Authenticated (Subscriber+) Sensitive Information Exposure vi

IV. Related Vulnerabilities

Same product: Download Manager
Same vendor: codename065
Same weakness: CWE-79

V. Comments for CVE-2026-12054

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