Vulnerability · Published Dec 17, 2025 · Assigned by VulnCheck

CVE-2023-53927PHPJabbers Simple CMS 5.0 Stored Cross-Site Scripting via Section Creation

Medium 5.4

In plain English

A medium-severity cross-site scripting in Simple CMS from PHPJabbers. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities).

Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.3%top 79.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

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.

Affected products (as reported)

VendorProductVersions
PHPJabbers Simple CMS 5.0

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

References