PT-2023-31592 · WordPress · Activitypub

Ben Bidner · Published 2023-10-16 · Updated 2023-10-20 · CVE-2023-5057

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions ActivityPub WordPress plugin versions prior to 1.0.0

Description The issue allows users with a role of Contributor and above to perform Stored XSS attacks due to the plugin not escaping user metadata before outputting them in mentions.

Recommendations For versions prior to 1.0.0, update to version 1.0.0 or later to resolve the issue. As a temporary workaround, consider restricting the role of users to prevent those with a role of Contributor and above from exploiting this issue until a patch is applied.

Exploit

Fix

Related Identifiers

CVE-2023-5057

Affected Products

Activitypub

References · 6

• 🔥 https://wpscan.com/vulnerability/58a63507-f0fd-46f1-a80c-6b1c41dddcf5 · Exploit
• https://osv.dev/vulnerability/CVE-2023-5057 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-5057 · Security Note
• https://twitter.com/VulmonFeeds/status/1714065218823671955 · Twitter Post
• https://twitter.com/CVEnew/status/1714006529785913813 · Twitter Post
• https://t.me/cibsecurity/72365 · Telegram Post