CVE-2025-53941

6.1 mediumEPSS 0.3%

Medium (6.1). EPSS 0.3% chance of exploitation in the next 30 days.

Hollo is a federated single-user microblogging software designed to be federated through ActivityPub. Versions prior to 0.6.5 allow HTML form elements to be submitted, making the software vulnerable to HTML injection. Version 0.6.5 fixes the issue.

Severity

CVSS 3.1

6.1 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 19% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2025-07-17
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

https://github.com/fedify-dev/hollo/commit/f9d25e10ba5406c27f9e87dfb01f75b6a52f2410
https://github.com/fedify-dev/hollo/releases/tag/0.6.5
https://github.com/fedify-dev/hollo/security/advisories/GHSA-w7gc-g3x7-hq8h
https://github.com/fedify-dev/hollo/security/advisories/GHSA-w7gc-g3x7-hq8h

Check your stack JSON