CVE-2025-53941

Description

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.

PUBLISHED Reserved 2025-07-14 | Published 2025-07-17 | Updated 2025-07-17 | Assigner GitHub_M

Problem types

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

References

github.com/.../hollo/security/advisories/GHSA-w7gc-g3x7-hq8h exploit

github.com/.../hollo/security/advisories/GHSA-w7gc-g3x7-hq8h

github.com/...ommit/f9d25e10ba5406c27f9e87dfb01f75b6a52f2410

github.com/fedify-dev/hollo/releases/tag/0.6.5

cve.org (CVE-2025-53941)

nvd.nist.gov (CVE-2025-53941)

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