CVE-2021-24565 Contact Form 7 Captcha < 0.0.9 - CSRF to Stored XSS
Attackers can exploit CSRF to inject malicious scripts into plugin settings, leading to stored XSS and potential admin account takeover.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-24565?
CVE-2021-24565 is a high-severity cross-site scripting vulnerability in Unknown Contact Form 7 Captcha, published on 23 Aug 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The Contact Form 7 Captcha WordPress plugin before 0.0.9 does not have any CSRF check in place when saving its settings, allowing attacker to make a logged in user with the manage_options change them. Furthermore, the settings are not escaped when output in attributes, leading to a Stored Cross-Site Scripting issue.
Which versions are affected by CVE-2021-24565?
It affects 1 product.
Products include Contact Form 7 Captcha Project Contact Form 7 Captcha.
How do I fix CVE-2021-24565?
No fix has been published for CVE-2021-24565 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-2021-24565 being exploited?
There is no known exploitation of CVE-2021-24565 in the wild and no public exploit code.
Other vulnerabilities in Unknown Contact Form 7 Captcha
Sources
Also known as GHSA-j7hp-47c4-p8rw.