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.
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
Link | Tags |
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https://twitter.com/onyaktech | third party advisory |
https://burninatorsec.blogspot.com/2021/07/onyaktech-comments-pro-broken.html | third party advisory exploit |