CVE-2023-0829
CVE-2023-0829 is a high-severity vulnerability in Plesk with a CVSS 3.x base score of 8.8. 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-79.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- EPSS exploit prediction: 1% (44th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Plesk
- Published:
- Last modified:
Description
Plesk 17.0 through 18.0.31 version, is vulnerable to a Cross-Site Scripting. A malicious subscription owner (either a customer or an additional user), can fully compromise the server if an administrator visits a certain page in Plesk related to the malicious subscription.
Frequently asked questions
- What is CVE-2023-0829?
- Plesk 17.0 through 18.0.31 version, is vulnerable to a Cross-Site Scripting. A malicious subscription owner (either a customer or an additional user), can fully compromise the server if an administrator visits a certain page in Plesk related to the malicious subscription.
- How severe is CVE-2023-0829?
- CVE-2023-0829 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-0829 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-0829?
- CVE-2023-0829 affects Plesk. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-0829?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2023-0829 published?
- CVE-2023-0829 was published on 2023-09-20 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:plesk:plesk:*:*:*:*:*:*:*:*
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