What is CVE-2023-3746?

CVE-2023-3746 is a medium-severity vulnerability in Automattic Activitypub, classified under CWE-79 CROSS-SITE SCRIPTING (XSS). CVSS score: 5.4/10. Published 2023-10-16.

How severe is CVE-2023-3746?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Is CVE-2023-3746 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Automattic Activitypub

CVE-2023-3746

The ActivityPub WordPress plugin before 1.0.0 does not sanitize and escape some data from post content, which could allow contributor and above role to perform Stored Cross-Site Scripting attacks

EPSS: 0.004 (33.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Automattic Activitypub
Unknown Activitypub — versions 0

Public proof-of-concept exploits

20142995/nuclei-templates

References

contact@wpscan.com (Exploit, technical-description, Third Party Advisory, exploit, vdb-entry)

Frequently asked questions

What is CVE-2023-3746?: CVE-2023-3746 is a medium-severity vulnerability in Automattic Activitypub, classified under CWE-79 CROSS-SITE SCRIPTING (XSS). CVSS score: 5.4/10. Published 2023-10-16.
How severe is CVE-2023-3746?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2023-3746 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.