XSS in Onyaktech Comments Pro Project

CVE-2021-33483

An issue was discovered in CommentsService.ashx in OnyakTech Comments Pro 3.8. The comment posting functionality allows an attacker to add an XSS payload to the JSON request that will execute when users visit the page with the comment.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (45.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-33483?
CVE-2021-33483 is a medium-severity vulnerability in Onyaktech Comments Pro Project, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-09-07.
How severe is CVE-2021-33483?
Medium severity. CVSS v3 base score is 5.4 out of 10.