How severe is CVE-2023-3672?

CVE-2023-3672 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-3672 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-3672?

CVE-2023-3672 affects Plaidweb Webmention.js. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-3672?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-3672 published?

CVE-2023-3672 was published on 2023-07-14 and last updated on 2026-06-17.

CVE-2023-3672

CVE-2023-3672 is a medium-severity vulnerability in Plaidweb Webmention.js with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Plaidweb Webmention.js
Published: 2023-07-14
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2023-3672?: Cross-site Scripting (XSS) - DOM in GitHub repository plaidweb/webmention.js prior to 0.5.5.
How severe is CVE-2023-3672?: CVE-2023-3672 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-3672 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-3672?: CVE-2023-3672 affects Plaidweb Webmention.js. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-3672?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-3672 published?: CVE-2023-3672 was published on 2023-07-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:plaidweb:webmention.js:*:*:*:*:*:*:*:*

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