CVE-2023-2009 Pretty Url <= 1.5.4 - Admin+ Stored XSS in plugin settings
High-privilege users can inject malicious scripts via unsanitized URL fields in Pretty Url plugin settings, affecting multisite environments.
- 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-2023-2009?
CVE-2023-2009 is a medium-severity cross-site scripting vulnerability in Unknown Pretty Url, published on 15 May 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
Plugin does not sanitize and escape the URL field in the Pretty Url WordPress plugin through 1.5.4 settings, which could allow high-privilege users to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).
Weakness: CWE-79
Which versions are affected by CVE-2023-2009?
It affects 1 product.
Products include Pretty Url Project Pretty Url.
How do I fix CVE-2023-2009?
No fix has been published for CVE-2023-2009 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-2023-2009 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-2009 exists.
Public exploit code: 1 Nuclei template.
Sources
Also known as GHSA-h9hj-4382-6wh4.