CVE-2021-24976 Smart SEO Tool < 3.0.6 - Reflected Cross-Site Scripting
Attackers can execute arbitrary scripts in victim browsers via the search parameter when TDK optimization is enabled in the Smart SEO Tool 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-2021-24976?
CVE-2021-24976 is a medium-severity cross-site scripting vulnerability in Unknown Smart SEO Tool – SEO优化插件, published on 24 Jan 2022. 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 Smart SEO Tool WordPress plugin before 3.0.6 does not sanitise and escape the search parameter before outputting it back in an attribute when the TDK optimisation setting is enabled, leading to a Reflected Cross-Site Scripting
Weakness: CWE-79
Which versions are affected by CVE-2021-24976?
It affects 1 product.
Products include Wbolt Smart Seo Tool.
How do I fix CVE-2021-24976?
No fix has been published for CVE-2021-24976 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-2021-24976 being exploited?
There is no known exploitation of CVE-2021-24976 in the wild and no public exploit code.
Sources
Also known as GHSA-555p-jhmj-xhrc.