XSS in Plesk Obsidian
CVE-2021-35976
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 usin…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.011 (63.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Plesk Obsidian
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_MISC, Broken Link)
- cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-35976?
- CVE-2021-35976 is a medium-severity vulnerability in Plesk Obsidian, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-09-10.
- How severe is CVE-2021-35976?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2021-35976 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.