CVE-2022-23644: Joinbookwyrm Bookwyrm

High severity, CVSS 8.8. EPSS: 0.9% chance of exploitation in the next 30 days.

BookWyrm is a decentralized social network for tracking reading habits and reviewing books. The functionality to load a cover via url is vulnerable to a server-side request forgery attack. Any BookWyrm instance running a version prior to v0.3.0 is susceptible to attack from a logged-in user. The problem has been patched and administrators should upgrade to version 0.3.0 As a workaround, BookWyrm instances can close registration and limit members to trusted individuals.

Affected products

• Joinbookwyrm Bookwyrm: before 0.3.0 (fixed in 0.3.0)

Published 2022-02-16. Last modified 2026-06-17.