CVE-2023-5057

PoC —

CVSS 3.1

5.4 medium

EPSS

<1%p36

Published

Oct 16, 2023 (Oct 16, 2023)

Modified

Jun 17, 2026

Description

The ActivityPub WordPress plugin before 1.0.0 does not escape user metadata before outputting them in mentions, which could allow users with a role of Contributor and above to perform Stored XSS attacks

Vendors: automattic
Products: activitypub
Ecosystems: WordPress
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.4%)

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