CVE-2022-31136: Bookwyrm is an open source social reading and reviewing program

Q: How do I fix CVE-2022-31136?

bookwyrm: upgrade to 0.4.1. Exact commands for each OS are on this page.

Q: Is CVE-2022-31136 being exploited?

CVE-2022-31136 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-31136 affect?

CVE-2022-31136 affects bookwyrm. Severity is medium (CVSS 6.3). 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

Q: How urgent is CVE-2022-31136?

Priority 34/100. No elevated risk signals yet.

Routine

MEDIUM 6.3UPGRADE

CVE-2022-31136 is a medium-severity flaw (CVSS 6.3) affecting bookwyrm. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.6% (top 52%)
CISA exploited list	No
Weakness	CWE-79
Published	2022-07-07
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: joinbookwyrm

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-07-07 18:15 UTCPublished CVE record published
2026-06-17 04:44 UTCUpdated Record last modified

joinbookwyrm bookwyrm UPGRADE

Affected: < 0.4.1

Fixed in: 0.4.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy bookwyrm || rpm -q bookwyrm || bookwyrm --version

2. UPGRADE to 0.4.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade bookwyrm

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade bookwyrm

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-31136?

bookwyrm: upgrade to 0.4.1. Exact commands for each OS are on this page.

Is CVE-2022-31136 being exploited?

CVE-2022-31136 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-31136 affect?

CVE-2022-31136 affects bookwyrm. Severity is medium (CVSS 6.3). 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

How urgent is CVE-2022-31136?

Priority 34/100. No elevated risk signals yet.

Related CVEs

CVE-2022-35953 HIGH 7.1 UPGRADE BookWyrm is a social network for tracking your reading, talking about books, writing reviews, and discovering
CVE-2022-35925 MEDIUM 5.3 UPGRADE BookWyrm is a social network for tracking reading
CVE-2022-23644 HIGH 8.8 UPGRADE BookWyrm is a decentralized social network for tracking reading habits and reviewing books

References

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