CVE-2023-3746

CVE-2023-3746 is a medium-severity vulnerability in Automattic Activitypub with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

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

Frequently asked questions

What is 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
How severe is CVE-2023-3746?
CVE-2023-3746 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-3746 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-3746?
CVE-2023-3746 affects Automattic Activitypub. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-3746?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-3746 published?
CVE-2023-3746 was published on 2023-10-16 and last updated on 2026-06-17.

References

Affected products (1)

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