CVE-2026-57167
Medium
Description
PeerTube is an ActivityPub-federated video streaming platform. Prior to 8.2.2, server-side-rendered video watch pages embed a schema.org JSON-LD block by JSON.stringify-ing video metadata without escaping less-than, greater-than, or slash characters, allowing a value containing the byte sequence that closes a script element to inject arbitrary HTML or JavaScript that executes in the instance origin for visitors to the attacker's videos. This issue is fixed in version 8.2.2.
SeverityMedium
CVSS5.1
Exploit probability—
Product
PeerTube
PublishedJul 10, 2026
First seenJul 10, 2026
Weakness typeCWE-80CWE-80
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Chocobozzz PeerTube | < 8.2.2 | — |
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