CVE-2021-24616 AddToAny Share Buttons < 1.7.48 - Admin+ Stored Cross-Site Scripting
High-privilege users can inject malicious scripts via the Image URL setting, leading to stored XSS attacks in the AddToAny Share Buttons plugin.
- 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-2021-24616?
CVE-2021-24616 is a medium-severity cross-site scripting vulnerability in Unknown AddToAny Share Buttons, published on 8 Nov 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
The AddToAny Share Buttons WordPress plugin before 1.7.48 does not escape its Image URL button setting, which could lead allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.
Weakness: CWE-79
Which versions are affected by CVE-2021-24616?
It affects 1 product.
Products include Addtoany Addtoany Share Buttons.
How do I fix CVE-2021-24616?
No fix has been published for CVE-2021-24616 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-2021-24616 being exploited?
There is no known exploitation of CVE-2021-24616 in the wild and no public exploit code.
Other vulnerabilities in Unknown AddToAny Share Buttons
Sources
Also known as GHSA-7c73-p742-56xg.