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Fencer Vulns
critical 9.8

CVE-2023-42398 json

An issue in zzCMS v.2023 allows a remote attacker to execute arbitrary code and obtain sensitive information via the ueditor component in c…

published 2023-09-15 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-46851

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.7%
EPSS 1.7% chance of exploitation in 30 days, percentile 76%
public exploits
0
none known

Summary

An issue in zzCMS v.2023 allows a remote attacker to execute arbitrary code and obtain sensitive information via the ueditor component in controller.php.

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
2 y ago

Exploit prediction

1.67% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/laterfuture/php-audit/blob/main/CVE-2023-42398%E2%80%94%E2%80%94ZZCMS2023%20SSRF referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Classification

Weakness
  • CWE-918 Server-Side Request Forgery

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.