What’s Vulnerable › Vulnerabilities
CVE-2026-13423: Streamit <= 4.5.0 - Unauthenticated Remote Code Execution via Arbitrary Function Call
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.0% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-07-29 · updated 2026-07-30
- Weakness: CWE-94
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.
Affected products
- Streamit: through 4.5.0
References
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