GHSA-f7qg-xj45-w956 — ghost
Fix: TryGhost/Ghost@01d64c7GHSA-f7qg-xj45-w956 is a Server-Side Request Forgery (SSRF) vulnerability in ghost. A fix is available for ghost — see the affected versions and patch details below.
Ghost vulnerable to Server Side Request Forgery (SSRF) via oEmbed Bookmark
Exploitation Status
Proof-of-concept exploit code exists
- CISA’s SSVC triage found public proof-of-concept exploit code for this CVE, though no confirmed active exploitation.
- CISA assesses this as automatable — exploitation doesn’t require manual, per-target effort, which raises the odds of mass scanning and opportunistic attacks.
Exploitation and automatability from CISA’s SSVC triage for GHSA-f7qg-xj45-w956.
EPSS Exploitation Probability
EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.
Real-World Exposure
How broadly this vulnerability is actually deployed: weekly install volume shows current usage, and reverse-dependency count shows how many other packages break if it stays unpatched.
ghostnpmDescription
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 [email protected].
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 📦npm | ghost | ≥ 6.0.0&&< 6.0.9 | 6.0.9npm install ghost@6.0.9 |
| 📦npm | ghost | ≥ 5.99.0&&< 5.130.4 | 5.130.4npm install ghost@5.130.4 |
Detection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for ghost, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update ghost to 6.0.9 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-f7qg-xj45-w956 is resolved across your whole dependency graph.
Workarounds
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.
How O3 protects you
O3 Security's impact-aware SCA analyses which vulnerable code paths your application actually calls, so a match like GHSA-f7qg-xj45-w956 can be triaged on real exposure rather than presence alone.
Tailored to GHSA-f7qg-xj45-w956. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.
Frequently Asked Questions
Is GHSA-f7qg-xj45-w956 in your dependencies?
O3 Security finds GHSA-f7qg-xj45-w956 across npm dependencies, including transitive ones, and its impact-aware SCA ranks findings by whether your code actually calls the vulnerable path.