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Fencer Vulns
critical 9.0

CVE-2022-47194 json

An insecure default vulnerability exists in the Post Creation functionality of Ghost Foundation Ghost 5.9.4.

published 2023-01-19 3 y ago modified 2026-09-10 59 d ago also BIT-ghost-2022-47194 , EUVD-2022-49969

cvss
9.0
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 57%
public exploits
0
none known

Summary

An insecure default vulnerability exists in the Post Creation functionality of Ghost Foundation Ghost 5.9.4. Default installations of Ghost allow non-administrator users to inject arbitrary Javascript in posts, which allow privilege escalation to administrator via XSS. To trigger this vulnerability, an attacker can send an HTTP request to inject Javascript in a post to trick an administrator into visiting the post.A stored XSS vulnerability exists in the `twitter` field for a user.

Patch / fix

  • bitnami ghost 5.9.5

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
19 mo ago

Exploit prediction

0.82% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • talosintelligence.com https://talosintelligence.com/vulnerability_reports/TALOS-2022-1686 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 9.0 CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
OSV 3.0 9.0 CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
bitnami ghost
>=5.9.4, <5.9.5
5.9.5

Affected products

  • Ghost Foundation Ghost

Classification

Weakness
  • CWE-453 Insecure Default Variable Initialization
  • CWE-79 Improper Neutralization of Input During Web Page Generation
  • CWE-1188 Initialization of a Resource with an Insecure Default

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.