CVE-2021-24597 You Shang <= 1.0.1 - Authenticated Stored Cross-Site Scripting
Authenticated attackers can inject malicious scripts via qrcode settings, leading to stored XSS in frontend posts and admin pages.
- 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-2021-24597?
CVE-2021-24597 is a medium-severity cross-site scripting vulnerability in Unknown 有赏 You Shang, published on 20 Sep 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 You Shang WordPress plugin through 1.0.1 does not escape its qrcode links settings, which result into Stored Cross-Site Scripting issues in frontend posts and the plugins settings page depending on the payload used
Weakness: CWE-79
Which versions are affected by CVE-2021-24597?
It affects 1 product.
Products include You-Shang Project You-Shang.
How do I fix CVE-2021-24597?
No fix has been published for CVE-2021-24597 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-2021-24597 being exploited?
There is no known exploitation of CVE-2021-24597 in the wild and no public exploit code.
Sources
Also known as GHSA-8wgc-q9r2-hg5h.