SEPTEMBER 17, 2026
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Case File

CVE-2026-13423

CRITICAL · CVSS 9.8 EPSS 0.54% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-07-29 · Last synced 2026-08-28

CyberRota Analysis

AI-Generated

The Streamit WordPress theme versions up to 4.5.0 are vulnerable due to a lack of authorization and nonce verification on an unauthenticated AJAX route, enabling attackers to execute arbitrary PHP functions. This critical flaw can lead to privilege escalation and remote code execution, allowing unauthorized users to potentially create administrator accounts. WordPress site administrators using this theme should prioritize immediate updates 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
remote code execution code execution

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

CVE
CVE-2026-13423
Severity
CRITICAL
CVSS
9.8
EPSS
0.54%
WordPress

Original NVD Description

The Streamit WordPress theme through 4.5.0 does not perform any authorization or nonce verification on one of its unauthenticated AJAX routes, which invokes an attacker-supplied PHP function with an attacker-supplied argument array, allowing unauthenticated attackers to call arbitrary functions (for example to create an administrator account), leading to privilege escalation and remote code execution.