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CVE-2026-13423— Streamit <= 4.5.0 - Unauthenticated Remote Code Execution via Arbitrary Function Call

Quick assessment

Affected
Unknown Streamit
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress Streamit是WordPress基金会的一款CMS插件。 WordPress Streamit 4.5.0及之前版本存在代码注入漏洞，该漏洞源于未对AJAX路由进行授权或nonce验证，允许攻击者调用任意PHP函数，导致权限提升和远程代码执行。

AI Predicted 9.8 Difficulty: Trivial EPSS 0.96% · P60

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown Streamit ≤ 4.5.0 affected
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I. Basic Information for CVE-2026-13423

Vulnerability Information
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Vulnerability Title
Streamit <= 4.5.0 - Unauthenticated Remote Code Execution via Arbitrary Function Call
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress Streamit 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Streamit是WordPress基金会的一款CMS插件。 WordPress Streamit 4.5.0及之前版本存在代码注入漏洞，该漏洞源于未对AJAX路由进行授权或nonce验证，允许攻击者调用任意PHP函数，导致权限提升和远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Unknown Streamit 0 ~ 4.5.0 -

II. Public POCs for CVE-2026-13423

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III. Intelligence Information for CVE-2026-13423

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Vendor Advisories for CVE-2026-13423 (1)

Same Patch Batch · Unknown · 2026-07-29 · 9 CVEs total

CVE-2026-11351 ShinyStat Analytics < 1.0.17 - Unauthenticated Non-Published Product Information Disclosur
CVE-2026-11974 Media folder Addon < 4.1.7 - Unauthenticated Arbitrary File Download
CVE-2026-13605 Photo Swipe <= 4.1.1.1 - Author+ Stored XSS via title Attribute
CVE-2026-14234 WOLF - WordPress Posts Bulk Editor and Manager < 1.1.0 - Stored XSS via CSRF
CVE-2026-14224 Easy Appointments < 3.12.28 - Subscriber+ Cross-User Appointment Data Modification via IDO
CVE-2026-14300 miniOrange Social Login and Register < 7.8.0 - Unauthenticated Account Takeover
CVE-2026-13690 UsersWP < 1.2.67 - Two-Factor Authentication Bypass
CVE-2026-13692 PayU CommercePro < 3.9.0 - Unauthenticated Order Tampering

IV. Related Vulnerabilities

Same product: Streamit
Same vendor: Unknown

V. Comments for CVE-2026-13423

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