CVE-2021-24530 Alojapro Widget <= 1.1.15 - Authenticated Stored Cross-Site Scripting (XSS)
High-privilege users can inject malicious scripts via Custom CSS settings in the Alojapro Widget plugin, potentially compromising other users.
- 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-2021-24530?
CVE-2021-24530 is a medium-severity cross-site scripting vulnerability in Unknown Alojapro Widget, published on 20 Sep 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
The Alojapro Widget WordPress plugin through 1.1.15 doesn't properly sanitise its Custom CSS settings, allowing 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-2021-24530?
It affects 1 product.
Products include Alojapro Alojapro Widget.
How do I fix CVE-2021-24530?
No fix has been published for CVE-2021-24530 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-2021-24530 being exploited?
There is no known exploitation of CVE-2021-24530 in the wild and no public exploit code.
Sources
Also known as GHSA-76cj-38jr-6rg5.