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GHSA-f7qg-xj45-w956

MediumCVSS 6.1 / 10
Published Sep 15, 2025·Last modified Jan 29, 2026
Affected Components(0)

No affected components available

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.

Risk Scores
Base Score
6.1

The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker needs high-level or administrative privileges. No user interaction is needed for the attacker to exploit this vulnerability.

Threat Intelligence
2.1

Limited exploitation activity has been observed. Close monitoring and planned remediation are recommended.

EPSS
0.48%

The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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