EIP-2026-111863

PRE-CVE

S9Y Serendipity Freetag-plugin 3.21 - 'index.php' Cross-Site Scripting

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-111863. PoCs published by Stefan Schurtz.

AI-analyzed exploit summary The exploit demonstrates a cross-site scripting (XSS) vulnerability in the Serendipity Freetag-plugin by injecting malicious JavaScript via the URL parameter. The PoC includes multiple payloads that trigger arbitrary script execution in the context of the affected site.

Description

S9Y Serendipity Freetag-plugin 3.21 - 'index.php' Cross-Site Scripting

Exploits (1)

exploitdb WORKING POC VERIFIED
by Stefan Schurtz · textwebappsphp
https://www.exploit-db.com/exploits/35808

The exploit demonstrates a cross-site scripting (XSS) vulnerability in the Serendipity Freetag-plugin by injecting malicious JavaScript via the URL parameter. The PoC includes multiple payloads that trigger arbitrary script execution in the context of the affected site.

Classification
Working Poc 100%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Serendipity Freetag-plugin 3.21
No auth needed
Prerequisites: Access to the vulnerable web application
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026