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CVE-2025-54075— mdc vulnerable to XSS in markdown rendering bypassing HTML filter. (N°4)

Quick assessment

Affected
nuxt-modules mdc
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Nuxt MDC是Nuxt开源的一个应用程序，增强了常规 Markdown 的能力。 Nuxt MDC 0.17.2之前版本存在跨站脚本漏洞，该漏洞源于Markdown处理不当，可能导致存储型跨站脚本攻击。

CVSS 8.3 · High EPSS 0.32% · P24
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I. Basic Information for CVE-2025-54075

Vulnerability Information
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Vulnerability Title
mdc vulnerable to XSS in markdown rendering bypassing HTML filter. (N°4)
Source: CVE Program / CVE List V5
Vulnerability Description
MDC is a tool to take regular Markdown and write documents interacting deeply with a Vue component. Prior to version 0.17.2, a remote script-inclusion / stored cross-site scripting vulnerability in @nuxtjs/mdc lets a Markdown author inject a `<base href="https://attacker.tld">` element. The `<base>` tag rewrites how all subsequent relative URLs are resolved, so an attacker can make the page load scripts, styles, or images from an external, attacker-controlled origin and execute arbitrary JavaScript in the site’s context. Version 0.17.2 contains a fix for the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
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
Nuxt MDC 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nuxt MDC是Nuxt开源的一个应用程序，增强了常规 Markdown 的能力。 Nuxt MDC 0.17.2之前版本存在跨站脚本漏洞，该漏洞源于Markdown处理不当，可能导致存储型跨站脚本攻击。
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

Vendor Product Affected Versions CPE Subscribe
nuxt-modules mdc < 0.17.2 -

II. Public POCs for CVE-2025-54075

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 7857 chars
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III. Intelligence Information for CVE-2025-54075

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Vendor Advisories for CVE-2025-54075 (1)

IV. Related Vulnerabilities

Same product: mdc
Same vendor: nuxt-modules
Same weakness: CWE-79

V. Comments for CVE-2025-54075

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