CVE-2022-48364 — The undo_mark_statuses_as_sensitive method in app/services/approve_appeal_servic

The undo_mark_statuses_as_sensitive method in app/services/approve_appeal_service.rb in Mastodon 3.5.x before 3.5.3 does not use the server's representative account, resulting in moderator identity disclosure when a moderator approves the appeal of a user whose status update

01What is this vulnerability?

The undo_mark_statuses_as_sensitive method in app/services/approve_appeal_service.rb in Mastodon 3.5.x before 3.5.3 does not use the server's representative account, resulting in moderator identity disclosure when a moderator approves the appeal of a user whose status update was marked as sensitive.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-03-06T00:00:00.000Z
• Last modified: 2025-03-06T20:02:21.461Z

09References

• github.com — https://github.com/mastodon/mastodon/pull/18525
• github.com — https://github.com/mastodon/mastodon/compare/v3.5.2...v3.5.3
• github.com — https://github.com/40826d/advisories/blob/master/CVE-2022-48364/README.md
• github.com — https://github.com/mastodon/mastodon/blob/main/CHANGELOG.md#353---2022-05-26