CVE-2021-33483 Cross-site scripting in n/a
Attackers can inject malicious scripts via comment posts in OnyakTech Comments Pro, leading to code execution when users view the page.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-33483?
CVE-2021-33483 is a medium-severity cross-site scripting vulnerability in n/a, published on 7 Sep 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-79
Which versions are affected by CVE-2021-33483?
It affects 1 product.
Products include Onyaktech Comments Pro Project Onyaktech Comments Pro.
How do I fix CVE-2021-33483?
No fix has been published for CVE-2021-33483 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2021-33483 being exploited?
There is no known exploitation of CVE-2021-33483 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-m4jf-3r59-83j5.