Stored Cross-Site Scripting in Textpattern CMS by Textpattern
CVE-2023-53911

5.1MEDIUM

Key Information:

Vendor

Tmrswrr

Status
Textpattern Cms
Vendor
CVE Published:
17 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2023-53911?

Textpattern CMS version 4.8.8 has a vulnerability that allows authenticated users to exploit the article excerpt field for stored cross-site scripting. By injecting malicious JavaScript payloads in the excerpt, attackers can execute harmful scripts when other users view the affected articles. This poses a significant risk to the integrity and security of user-generated content, allowing potential data theft or manipulation.

Affected Version(s)

Textpattern CMS 4.8.8

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-2023-53911 - Proof of Concept

References

https://www.exploit-db.com/exploits/51523
exploit
https://textpattern.com/
product
https://www.vulncheck.com/advisories/textpattern-cms-auth...
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

tmrswrr
JSON
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CVE-2023-53911 : Stored Cross-Site Scripting in Textpattern CMS by Textpattern