CVE-2023-42398
CVE-2023-42398 is a critical-severity vulnerability in Zzcms with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-918.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 1% (69th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-918
- Affected product: Zzcms
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2023-42398?
- 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.
- How severe is CVE-2023-42398?
- CVE-2023-42398 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-42398 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-42398?
- CVE-2023-42398 affects Zzcms. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-42398?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2023-42398 published?
- CVE-2023-42398 was published on 2023-09-15 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:zzcms:zzcms:2023:*:*:*:*:*:*:*
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