CVE-2021-33483 — MEDIUM (5.4)

Vulnerability 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.

CVSS Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Onyaktech Comments Pro Project	Onyaktech Comments Pro	3.8

Related Weaknesses (CWE)

CWE-79

References

https://burninatorsec.blogspot.com/2021/07/onyaktech-comments-pro-broken.htmlExploitThird Party Advisory
https://twitter.com/onyaktechThird Party Advisory
https://burninatorsec.blogspot.com/2021/07/onyaktech-comments-pro-broken.htmlExploitThird Party Advisory
https://twitter.com/onyaktechThird Party Advisory

FAQ

What is CVE-2021-33483?

CVE-2021-33483 is a vulnerability with a CVSS score of 5.4 (MEDIUM). 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 use...

How severe is CVE-2021-33483?

CVE-2021-33483 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-33483?

Check the references section above for vendor advisories and patch information. Affected products include: Onyaktech Comments Pro Project Onyaktech Comments Pro.