CVE-2021-33483

PoC —

CVSS 3.1

5.4 medium

EPSS

<1%p48

Published

Sep 7, 2021 (Sep 7, 2021)

Modified

Jun 17, 2026

Description

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.

Vendors: onyaktech comments pro project
Products: onyaktech comments pro
Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.6%)

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