CVE-2021-24159 Contact Form 7 Style <= 3.1.9 - Cross-Site Request Forgery to Stored Cross-Site Scripting
An attacker can trick an administrator into updating CSS settings with malicious JavaScript via CSRF, leading to stored XSS and potential site compromise.
- 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-2021-24159?
CVE-2021-24159 is a high-severity vulnerability in Unknown Contact Form 7 Style, published on 5 Apr 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
Due to the lack of sanitization and lack of nonce protection on the custom CSS feature, an attacker could craft a request to inject malicious JavaScript on a site using the Contact Form 7 Style WordPress plugin through 3.1.9. If an attacker successfully tricked a site’s administrator into clicking a link or attachment, then the request could be sent and the CSS settings would be successfully updated to include malicious JavaScript.
Weakness: CWE-352
Which versions are affected by CVE-2021-24159?
It affects 1 product.
Products include Rocklobster Contact Form 7.
How do I fix CVE-2021-24159?
No fix has been published for CVE-2021-24159 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-24159 being exploited?
There is no known exploitation of CVE-2021-24159 in the wild and no public exploit code.
Other vulnerabilities in Unknown Contact Form 7 Style
- CVE-2020-35489 File upload in n/a
- CVE-2018-20979 Privilege escalation in n/a
- CVE-2023-6449 Contact Form 7 <= 5.8.3 - Authenticated (Editor+) Arbitrary File Upload
- CVE-2024-4704 Contact Form 7 < 5.9.5 - Unauthenticated Open Redirect
- CVE-2024-2242 Contact Form 7 <= 5.9 - Reflected Cross-Site Scripting
Sources
Also known as GHSA-mw7f-7hv9-rrf6.