CVE-2024-13883 WPUpper Share Buttons <= 3.51 - Cross-Site Request Forgery to Custom CSS Update
Unauthenticated attackers can trick administrators into modifying site CSS via forged requests due to missing nonce validation in the WPUpper Share Buttons plugin.
- 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-2024-13883?
CVE-2024-13883 is a medium-severity vulnerability in victorfreitas WPUpper Share Buttons, published on 21 Feb 2025. 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 WPUpper Share Buttons plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 3.51. This is due to missing or incorrect nonce validation on the 'save_custom_css_request' function. This makes it possible for unauthenticated attackers to inject custom CSS to modify a site via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Weakness: CWE-352
Which versions are affected by CVE-2024-13883?
It affects 1 product.
Products include Victorfreitas Wpupper Share Buttons.
How do I fix CVE-2024-13883?
No fix has been published for CVE-2024-13883 yet. Limit exposure of the affected software until one is available.
Is CVE-2024-13883 being exploited?
There is no known exploitation of CVE-2024-13883 in the wild and no public exploit code.
Sources
Also known as GHSA-gxvc-5wrv-69rq.