Streamit Plugin up to 4.5.0 code injection

Summaryinfo

A vulnerability was found in Streamit Plugin up to 4.5.0. It has been declared as critical. Affected by this vulnerability is an unknown functionality. The manipulation results in code injection. This vulnerability is cataloged as CVE-2026-13423. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Streamit Plugin up to 4.5.0. It has been classified as critical. Affected is some unknown processing. The manipulation with an unknown input leads to a code injection vulnerability. CWE is classifying the issue as CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is available at wpscan.com. This vulnerability is traded as CVE-2026-13423 since 06/26/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 07/29/2026). This vulnerability is assigned to T1059 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Name

• Streamit Plugin

Version

• 4.0
• 4.1
• 4.2
• 4.3
• 4.4
• 4.5.0

CPE 2.3info

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CPE 2.2info

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