Stored Cross-Site Scripting in PHPJabbers Simple CMS by PHPJabbers
CVE-2023-53927

5.1MEDIUM

Key Information:

Vendor

PHPjabbers

Status
Simple Cms
Vendor
CVE Published:
17 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2023-53927?

PHPJabbers Simple CMS 5.0 is susceptible to a stored cross-site scripting vulnerability that permits attackers with authentication access to inject harmful scripts via section name parameters. This flaw allows malicious actors to create sections containing JavaScript payloads that can be executed when viewed by administrators, potentially compromising client-side code execution and user data integrity.

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Deploy the Patch

Affected Version(s)

Simple CMS 5.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2023-53927 - Proof of Concept

References

https://www.exploit-db.com/exploits/51415
exploit
https://www.phpjabbers.com/
product
https://www.vulncheck.com/advisories/phpjabbers-simple-cm...
third-party-advisory

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ahmet Ümit BAYRAM
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