CVE-2021-35976

Public Exploit

Description

The feature to preview a website in Plesk Obsidian 18.0.0 through 18.0.32 on Linux is vulnerable to reflected XSS via the /plesk-site-preview/ PATH, aka PFSI-62467. The attacker could execute JavaScript code in the victim's browser by using the link to preview sites hosted on the server. Authentication is not required to exploit the vulnerability.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.88% Top 30%
Vendor Advisory plesk.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.bouali.io/cves/cve-2021-35976 broken link
https://support.plesk.com/hc/en-us/articles/4402990507026 vendor advisory
https://tarekbouali.com/cves/cve-2021-35976 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-35976?
CVE-2021-35976 has been scored as a medium severity vulnerability.
How to fix CVE-2021-35976?
To fix CVE-2021-35976, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-35976 being actively exploited in the wild?
It is possible that CVE-2021-35976 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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