CVE-2021-36830 WordPress Comment Guestbook plugin <= 0.8.0 - Authenticated Stored Cross-Site Scripting (XSS) vulnerability
Authenticated administrators can inject malicious scripts into the Comment Guestbook plugin, potentially compromising user sessions or site integrity.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-36830?
CVE-2021-36830 is a medium-severity cross-site scripting vulnerability in mibuthu Comment Guestbook (WordPress plugin), published on 30 Sep 2022. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
Authenticated (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Comment Guestbook plugin <= 0.8.0 at WordPress.
Weakness: CWE-79
Which versions are affected by CVE-2021-36830?
It affects 1 product.
Products include Comment Guestbook Project Comment Guestbook.
How do I fix CVE-2021-36830?
No fix has been published for CVE-2021-36830 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-2021-36830 being exploited?
There is no known exploitation of CVE-2021-36830 in the wild and no public exploit code.
Sources
Also known as GHSA-m8c4-mx3x-3676.