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CVE-2023-3672

Cross-site Scripting (XSS) - DOM in plaidweb/webmention.js

7.3 HighFix available

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

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
Low

Exploit likelihood

0.49%Up 0.4 points since Jul 15, 2023
90%50%10%1%

What each source reports

CVE List Score used 7.3

Cross-site Scripting (XSS) - DOM in plaidweb/webmention.js

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

Record
CVE-2023-3672
CVSS 3.0
7.3 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Weakness
CWE-79
Updated
2026-11-02
EUVDEUVD-2023-2134 7.3

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

Record
EUVD-2023-2134
CVSS 3.0
7.3 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Updated
2026-11-03
GitHub AdvisoriesGHSA-r54g-4qq6-chxg 7.3

webmention.js Cross-site Scripting vulnerability

webmention.js prior to 0.5.5 is vulnerable to cross-site scripting.

Record
GHSA-r54g-4qq6-chxg
CVSS 3.0
7.3 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Weakness
CWE-79
Updated
2026-11-02
NVD 6.1

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

Record
CVE-2023-3672
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS 3.0
7.3 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Weakness
CWE-79
Updated
2026-11-02
OSV 7.3

Cross-site Scripting (XSS) - DOM in plaidweb/webmention.js

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

Record
CVE-2023-3672
CVSS 3.0
7.3 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Weakness
CWE-79
Updated
2026-11-02
OSVGHSA-r54g-4qq6-chxg 7.3

webmention.js Cross-site Scripting vulnerability

webmention.js prior to 0.5.5 is vulnerable to cross-site scripting.

Record
GHSA-r54g-4qq6-chxg
CVSS 3.0
7.3 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Weakness
CWE-79
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
webmention.js
npm
 before 0.5.5
0.5.5

History

History
RecordedChangedSources
aliases, publishedEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-3672 is a high vulnerability (CVSS 7.3) in Plaidweb Plaidweb/webmention.js, published July 14, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.49%, the 42nd percentile. Fixed in webmention.js 0.5.5.

References

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