CVE-2021-24541 Wonder PDF Embed < 1.7 - Contributor+ Stored XSS
Contributors can inject malicious scripts via the Wonder PDF Embed shortcode, leading to stored XSS attacks against site visitors.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-24541?
CVE-2021-24541 is a medium-severity cross-site scripting vulnerability in Unknown Wonder PDF Embed, published on 16 Aug 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
The Wonder PDF Embed WordPress plugin before 1.7 does not escape parameters of its wonderplugin_pdf shortcode, which could allow users with a role as low as Contributor to perform Stored XSS attacks.
Weakness: CWE-79
Which versions are affected by CVE-2021-24541?
It affects 1 product.
Products include Wonderplugin Wonder Pdf Embed.
How do I fix CVE-2021-24541?
No fix has been published for CVE-2021-24541 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-2021-24541 being exploited?
There is no known exploitation of CVE-2021-24541 in the wild and no public exploit code.
Sources
Also known as GHSA-43h7-jcr7-fh3r.