What’s Vulnerable › Vulnerabilities

CVE-2024-34451

• Severity: critical (CVSS 9.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2024-06-16 · updated 2026-06-17
• Weakness: CWE-1390

Description

Ghost through 5.85.1 allows remote attackers to bypass an authentication rate-limit protection mechanism by using many X-Forwarded-For headers with different values. NOTE: the vendor's position is that Ghost should be installed with a reverse proxy that allows only trusted X-Forwarded-For headers.

Affected products

• TryGhost Ghost: through 5.85.1

References

• https://docs.google.com/document/d/1iy0X4Vc9xXYoBxFrcW6ATo8GKPV6ivuLVzn6GgEpwqE
• https://ghost.org/docs/faq/proxying-https-infinite-loops/
• https://github.com/TryGhost/Ghost/releases
• https://docs.google.com/document/d/1iy0X4Vc9xXYoBxFrcW6ATo8GKPV6ivuLVzn6GgEpwqE
• https://ghost.org/docs/faq/proxying-https-infinite-loops/
• https://github.com/TryGhost/Ghost/releases

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