CVE-2021-24134 Constant Contact Forms < 1.8.8 - Multiple Authenticated Stored XSS
High-privileged users can inject arbitrary JavaScript into posts via the Constant Contact Forms plugin, potentially compromising 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-2021-24134?
CVE-2021-24134 is a medium-severity cross-site scripting vulnerability in Unknown Constant Contact Forms, published on 18 Mar 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
Unvalidated input and lack of output encoding in the Constant Contact Forms WordPress plugin, versions before 1.8.8, lead to multiple Stored Cross-Site Scripting vulnerabilities, which allowed high-privileged user (Editor+) to inject arbitrary JavaScript code or HTML in posts where the malicious form is embed.
Weakness: CWE-79
Which versions are affected by CVE-2021-24134?
It affects 1 product.
Products include Constantcontact Constant Contact Forms.
How do I fix CVE-2021-24134?
No fix has been published for CVE-2021-24134 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-2021-24134 being exploited?
There is no known exploitation of CVE-2021-24134 in the wild and no public exploit code.
Other vulnerabilities in Unknown Constant Contact Forms
Sources
Also known as GHSA-5gq5-98jg-gqqf.