CVE-2025-53941

6.1 MEDIUM

Published: July 17, 2025 Modified: April 15, 2026

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://github.com/fedify-dev/hollo/commit/f9d25e10ba5406c27f9e87dfb01f75b6a52f2410

Source: security-advisories@github.com

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

Source: security-advisories@github.com

https://github.com/fedify-dev/hollo/security/advisories/GHSA-w7gc-g3x7-hq8h

Source: security-advisories@github.com

https://github.com/fedify-dev/hollo/security/advisories/GHSA-w7gc-g3x7-hq8h

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

4 reference(s) from NVD

Quick Stats

CVSS v3 Score

6.1 / 10.0

EPSS (Exploit Probability)

0.0%

13th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-79

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