CVE-2026-30913
flarum/nickname: Display name injection in notification emails (autolink & markdown)
Summary
flarum/nickname: Display name injection in notification emails (autolink & markdown)
Original description
The description as published by the source.
Flarum is open-source forum software. When the flarum/nicknames extension is enabled, a registered user can set their nickname to a string that email clients interpret as a hyperlink. The nickname is inserted verbatim into plain-text notification emails, and recipients may be misled into visiting attacker-controlled domains.
Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV
References
- advisory github.com
- advisory github.com
- advisory nvd.nist.gov
- patch github.com
- web github.com