CVE-2021-34665 WP SEO Tags <= 2.2.7 Reflected Cross-Site Scripting
Attackers can inject arbitrary web scripts via the saq_txt_the_filter parameter in the WP SEO Tags plugin, potentially compromising user sessions.
- 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-2021-34665?
CVE-2021-34665 is a medium-severity cross-site scripting vulnerability in WP SEO Tags, published on 16 Aug 2021. 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 WP SEO Tags WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the saq_txt_the_filter parameter in the ~/wp-seo-tags.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 2.2.7.
Weakness: CWE-79
Which versions are affected by CVE-2021-34665?
It affects 1 product.
Products include Wp Seo Tags Project Wp Seo Tags.
How do I fix CVE-2021-34665?
No fix has been published for CVE-2021-34665 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-2021-34665 being exploited?
There is no known exploitation of CVE-2021-34665 in the wild and no public exploit code.
Sources
Also known as GHSA-3xgh-9rw3-wpjw.