CVE-2021-24342 JNews < 8.0.6 - Reflected Cross-Site Scripting (XSS)
Attackers can execute arbitrary scripts in victim browsers via unsanitized input in the JNews WordPress theme.
- 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-2021-24342?
CVE-2021-24342 is a medium-severity cross-site scripting vulnerability in Unknown JNews, published on 7 Jun 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 JNews WordPress theme before 8.0.6 did not sanitise the cat_id parameter in the POST request /?ajax-request=jnews (with action=jnews_build_mega_category_*), leading to a Reflected Cross-Site Scripting (XSS) issue.
Weakness: CWE-79
Which versions are affected by CVE-2021-24342?
It affects 1 product.
Products include Jnews Jnews.
How do I fix CVE-2021-24342?
No fix has been published for CVE-2021-24342 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-2021-24342 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-24342 exists.
Public exploit code: 1 Nuclei template.
Sources
Also known as GHSA-39gf-rwjm-m5hw.