CVE-2023-22481 — FreshRSS is a self-hosted RSS feed aggregator

FreshRSS is a self-hosted RSS feed aggregator. When using the greader API, the provided password is logged in clear in `users/_/log_api.txt` in the case where the authentication fails. The issues occurs in `authorizationToUser()` in `greader.php`. If there is an issue with the re

01What is this vulnerability?

FreshRSS is a self-hosted RSS feed aggregator. When using the greader API, the provided password is logged in clear in `users/_/log_api.txt` in the case where the authentication fails. The issues occurs in `authorizationToUser()` in `greader.php`. If there is an issue with the request or the credentials, `unauthorized()` or `badRequest()` is called. Both these functions are printing the return of…

02Affected products

Vendor	Product	Versions
FreshRSS	FreshRSS	>= 1.9.0, < 1.21.0

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: 2023-03-06T17:33:03.697Z
• Last modified: 2025-02-25T15:01:23.226Z

09References

• github.com — https://github.com/FreshRSS/FreshRSS/security/advisories/GHSA-8vvv-jxg6-8578
• github.com — https://github.com/FreshRSS/FreshRSS/commit/075cf4c800063e3cc65c3d41a9c23222e8eb…