CVE-2025-53941
Medium
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.
SeverityMedium
CVSS6.1
Exploit probability—
ProductFedify-dev Hollo
PublishedJul 17, 2025
First seenJul 17, 2025
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| fedify-dev hollo | < 0.6.5 | — |
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