CVE-2023-0829

Cross-Site Scripting (XSS) vulnerability in Plesk

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.

Remediation

Solution:

  • This vulnerability is fixed in the latest supported versions of Plesk.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.12%
Third-Party Advisory incibe.es
Affected: Plesk Plesk
Published at:
Updated at:

References

Link Tags
https://www.incibe.es/en/incibe-cert/notices/aviso/cross-site-scripting-xss-vulnerability-plesk third party advisory

Frequently Asked Questions

What is the severity of CVE-2023-0829?
CVE-2023-0829 has been scored as a high severity vulnerability.
How to fix CVE-2023-0829?
To fix CVE-2023-0829: This vulnerability is fixed in the latest supported versions of Plesk.
Is CVE-2023-0829 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-0829 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-0829?
CVE-2023-0829 affects Plesk Plesk.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.