CVE-2025-9862
Ghost vulnerable to Server Side Request Forgery (SSRF) via oEmbed Bookmark
Description
### 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).
How to fix CVE-2025-9862
To remediate CVE-2025-9862, upgrade the affected package to a fixed version below.
- —upgrade to 5.130.5 or later
- —upgrade to 6.0.9 or later
Is CVE-2025-9862 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- >= 5.99.0, < 5.130.5, >= 6.0.0, < 6.0.9
- >= 6.0.0, < 6.0.9
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N |