PT-2025-29913 · Hollo · Hollo

Jeffsikes · Published 2025-07-17 · Updated 2025-07-17 · CVE-2025-53941

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Hollo versions prior to 0.6.5

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, leading to a potential HTML injection issue.

Recommendations Update to version 0.6.5 or later.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-53941

GHSA-W7GC-G3X7-HQ8H

Affected Products

Hollo

References · 9

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/53xxx/CVE-2025-53941.json · Exploit
• 🔥 https://github.com/fedify-dev/hollo/security/advisories/GHSA-w7gc-g3x7-hq8h · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-53941 · Security Note
• https://osv.dev/vulnerability/CVE-2025-53941 · Vendor Advisory
• https://github.com/fedify-dev/hollo/commit/f9d25e10ba5406c27f9e87dfb01f75b6a52f2410 · Note
• https://github.com/fedify-dev/hollo/releases/tag/0.6.5 · Note
• https://twitter.com/CVEnew/status/1945856142548074575 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1945858192509902914 · Twitter Post
• https://t.me/cvetracker/28034 · Telegram Post