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.

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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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