CVE-2025-23221
unknown
CVSS v3
—
CVSS v4 NEW
—
VIR risk
—
Description
Infinite loop and Blind SSRF found inside the Webfinger mechanism in @fedify/fedify
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| npm | @fedify/fedify | >=1.0.13,<1.0.14 | 1.0.14 |
| npm | @fedify/fedify | >=1.1.10,<1.1.11 | 1.1.11 |
| npm | @fedify/fedify | >=1.2.10,<1.2.11 | 1.2.11 |
| npm | @fedify/fedify | >=1.3.3,<1.3.4 | 1.3.4 |
References
- https://github.com/dahlia/fedify/security/advisories/GHSA-c59p-wq67-24wx
- https://nvd.nist.gov/vuln/detail/CVE-2025-23221
- https://github.com/dahlia/fedify/commit/8be3c2038eebf4ae12481683a1e809b314be3151
- https://github.com/dahlia/fedify/commit/c505eb82fcd6b5b17174c6659c29721bc801ab9a
- https://github.com/dahlia/fedify/commit/e921134dd5097586e4563ea80b9e8d1b5460a645
- https://github.com/dahlia/fedify
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.