XSS in Parallels H-Sphere

CVE-2022-30777

Parallels H-Sphere 3.6.1713 allows XSS via the index_en.php from parameter.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.023 (82.6th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 82.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2022-30777: held from 0.023 to 0.023.

EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-30777?
CVE-2022-30777 is a medium-severity vulnerability in Parallels H-Sphere, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-05-16.
How severe is CVE-2022-30777?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2022-30777 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.