CVE-2023-53927 PHPJabbers Simple CMS 5.0 Stored Cross-Site Scripting via Section Creation
Authenticated attackers can inject malicious scripts via section names, leading to code execution when administrators view the sections.
- 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-2023-53927?
CVE-2023-53927 is a medium-severity cross-site scripting vulnerability in PHPJabbers Simple CMS, published on 17 Dec 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
PHPJabbers Simple CMS 5.0 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts through section name parameters. Attackers can create sections with embedded JavaScript payloads that will execute when administrators view the sections, potentially enabling client-side code execution.
Weakness: CWE-79
Which versions are affected by CVE-2023-53927?
It affects 1 product.
Products include Phpjabbers Simple Cms.
How do I fix CVE-2023-53927?
No fix has been published for CVE-2023-53927 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-2023-53927 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-53927 exists.
Other vulnerabilities in PHPJabbers Simple CMS
Sources
Also known as GHSA-98qf-xpr5-r2xv.