What’s Vulnerable › Vulnerabilities

CVE-2023-3672: Cross-site Scripting (XSS) - DOM in plaidweb/webmention.js

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-07-14 · updated 2026-06-17
• Weakness: CWE-79

Description

Cross-site Scripting (XSS) - DOM in GitHub repository plaidweb/webmention.js prior to 0.5.5.

Affected products

• plaidweb/webmention.js: before 0.5.5 — fixed in 0.5.5

How to fix

Upgrade to a fixed version: plaidweb/webmention.js 0.5.5. Check the vendor advisory for mitigations.

References

• https://github.com/plaidweb/webmention.js/commit/3551b66b3e40da37fee89ecf72930c5efdc53011
• https://huntr.dev/bounties/75cfb7ad-a75f-45ff-8688-32a9c55179aa
• https://github.com/plaidweb/webmention.js/commit/3551b66b3e40da37fee89ecf72930c5efdc53011
• https://huntr.dev/bounties/75cfb7ad-a75f-45ff-8688-32a9c55179aa

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