Misskey: Cross-site scripting in RSS feed item links
Misskey is an open source, federated social media platform. From 12.0.0 until 2026.7.0, the RSS components display feed item links from configured feeds without verifying their URL schemes. Missing URL scheme verification allows an attacker who controls feed content to provide an unsafe-scheme link that causes script execution when a user clicks it in an RSS widget. This issue is fixed in version 2026.7.0.
CVE-2026-104816
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-104816
misskey
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "misskey-dev",
"product": "misskey",
"versions": [
{
"status": "affected",
"version": ">= 12.0.0, <= 13.14.2"
},
{
"status": "affected",
"version": ">= 2023.9.0-beta.1, < 2026.7.0"
}
]
}
]- Related CVEs
- CVE-2026-104816
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #20771 · Revision 1
- Added to Heist Feed
- Publisher date