SEPTEMBER 18, 2026
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Case File

CVE-2026-77129

HIGH · CVSS 7.7 EPSS 0.23% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-25 · Last synced 2026-09-18

CyberRota Analysis

AI-Generated

The vulnerability allows authenticated backend users with edit access to inject Fluid ViewHelper syntax into an email subject string, potentially leading to the disclosure of sensitive data or the execution of TypoScript content objects. This poses a significant risk to systems utilizing the affected event registration plugin or backend module, as it could compromise data integrity and confidentiality. Organizations using this software should prioritize remediation to mitigate the risk of exploitation.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-77129
Severity
HIGH
CVSS
7.7
EPSS
0.23%

Original NVD Description

The extension passes an editor-configurable email subject string directly into a Fluid template source without restriction. A backend user with edit access to the event plugin or Backend Module can supply Fluid ViewHelper syntax in this field to disclose sensitive data or execute TypoScript content objects. Exploitation of this issue requires an authenticated backend account with edit access to the event registration plugin or backend module.