CVE-2026-91146
Takahe through 0.11.0 fails to restrict URL schemes in link hrefs within federated post content and profile summaries, allowing remote actors to inject javascript: links. Attackers can deliver federated content with malicious javascript: hrefs that execute in the instance origin when clicked, enabling session hijacking or impersonation of viewers.
Scoring
- Severity
- MEDIUM
- CVSS base score
- 6.1
- CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
- EPSS probability
- 0.19%
- CWE
- CWE-79
- Published
- 2026-09-14
- Last modified
- 2026-09-14
Affected products
- jointakahe takahe
Weakness type
Related vulnerabilities
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- CVE-2026-89256 — AVideo Bookmark Plugin Stored XSS via Chapter Names
- CVE-2026-89255 — AVideo LoginControl Stored XSS via PGP Public Key
- CVE-2026-15639 — Reflected Cross-Site Scripting
- CVE-2026-45143 — Chamilo LMS: Student-to-admin stored XSS in private messages via v-html
- CVE-2026-77615 — Paella Player: Stored XSS via caption cue text