CVE-2022-4650 HashBar – WordPress Notification Bar < 1.3.6 - Contributor+ Stored XSS via Shortcode
Contributors can inject malicious scripts via shortcode attributes in the HashBar WordPress plugin, potentially compromising user sessions.
- 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-2022-4650?
CVE-2022-4650 is a medium-severity cross-site scripting vulnerability in Unknown HashBar, published on 23 Jan 2023. 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 HashBar WordPress plugin before 1.3.6 does not validate and escape one of its shortcode attributes, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attack.
Weakness: CWE-79
Which versions are affected by CVE-2022-4650?
It affects 1 product.
Products include Hasthemes Hashbar.
How do I fix CVE-2022-4650?
No fix has been published for CVE-2022-4650 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-2022-4650 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-4650 exists.
Other vulnerabilities in Unknown HashBar
Sources
Also known as GHSA-5645-4fvm-2wfj.