CVE-2023-4022 Herd Effects < 5.2.3 - Admin+ Stored XSS
High-privilege users can inject malicious scripts via unsanitized settings in the Herd Effects WordPress plugin, leading to stored XSS.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-4022?
CVE-2023-4022 is a medium-severity cross-site scripting vulnerability in Unknown Herd Effects, published on 11 Sep 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
The Herd Effects WordPress plugin before 5.2.3 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)
Which versions are affected by CVE-2023-4022?
It affects 1 product.
Products include Wow-Company Herd Effects.
How do I fix CVE-2023-4022?
No fix has been published for CVE-2023-4022 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-2023-4022 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-4022 exists.
Other vulnerabilities in Unknown Herd Effects
Sources
Also known as GHSA-w34v-xmqc-qqf3.