CVE-2025-24981Public exploitNetwork attack vector

Cross-site scripting via entity-encoded JavaScript URLs

Published Feb 6, 2025 · Updated Feb 12, 2025

Cross-site scripting in Nuxt MDC before 0.13.3 allows remote attackers to execute JavaScript through crafted Markdown links. The props.ts validateProp function compares raw href and src values against unsafe protocol prefixes, allowing HTML entities embedded within javascript URLs to evade the deny-list. Exploitation requires an application to parse unvalidated Markdown and render the resulting anchor, exposing page-origin data and permitting page disruption.

CVSS severity9.3
Critical
EPSS probability0.68%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in Nuxt MDC before 0.13.3 allows remote attackers to execute JavaScript through crafted Markdown links. The props.ts validateProp function compares raw href and src values against unsafe protocol prefixes, allowing HTML entities embedded within javascript URLs to evade the deny-list. Exploitation requires an application to parse unvalidated Markdown and render the resulting anchor, exposing page-origin data and permitting page disruption.

The record

CVE
CVE-2025-24981
Published
Feb 6, 2025
Updated
Feb 12, 2025
Vendor
Nuxt Modules
Product
Nuxt MDC
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 6, 2025CVE publishedPublication date reported by the CVE source.
  2. Feb 12, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=< 0.13.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Nuxt Modules · Nuxt MDCversion=< 0.13.3

Published CVSS scores

9.3GitHubCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007JavaScript/JScript

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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