Ghost vulnerable to Server Side Request Forgery (SSRF) via oEmbed Bookmark
### Impact A vulnerability in Ghost's oEmbed mechanism allows staff users to exfiltrate data from internal systems via SSRF. ### Vulnerable versions This vulnerability is present in Ghost v5.99.0 to v5.130.3 to and Ghost v6.0.0 to v6.0.8. ### Patches v5.130.4 and v6.0.9 contain a fix for this issue. ### References The original report is available here: https://fluidattacks.com/advisories/regida We thank Cristian Vargas for discovering and disclosing this vulnerability responsibly. ### For more information If you have any questions or comments about this advisory, email us at [security@ghost.org](mailto:security@ghost.org).
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2025-9862US | medium6.5 | — | ||
Server-Side Request Forgery (SSRF) vulnerability in Ghost allows an attacker to access internal resources.This issue affects Ghost: from 6.0.0 through 6.0.8, from 5.99.0 through 5.… | ||||
references
External citations — patches, advisories, analysis.
- https://fluidattacks.com/advisories/regidaWEB
- https://github.com/TryGhost/GhostPACKAGE
- https://github.com/TryGhost/Ghost/commit/01d64c7c0ffbf90cd036195c60ded6d08077d612WEB
- https://github.com/TryGhost/Ghost/commit/ffe9d079afa68557c581d224f1ff126e625b06e3WEB
- https://github.com/TryGhost/Ghost/releases/tag/v6.0.9WEB
- https://github.com/TryGhost/Ghost/security/advisories/GHSA-f7qg-xj45-w956WEB
- https://nvd.nist.gov/vuln/detail/CVE-2025-9862ADVISORY
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