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CVE-2026-13604— Pixelavo < 1.5.4 - Unauthenticated Facebook CAPI Event Injection via pixelavo_event AJAX

Quick assessment

Affected
Unknown Pixelavo
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 Pixelavo是WordPress基金会的一款WordPress插件，提供Facebook Pixel及Conversions API服务端追踪与AI广告工具。 WordPress Pixelavo 1.5.4之前版本存在服务端请求伪造漏洞，该漏洞源于注册了未经验证的AJAX操作且仅通过公开的nonce限制，可能导致未认证访问者向管理员Facebook广告账户注入任意转换事件并耗尽API配额。

AI Predicted 7.5 Difficulty: Easy EPSS 0.29% · P22

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown Pixelavo < 1.5.4 affected
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I. Basic Information for CVE-2026-13604

Vulnerability Information
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Pixelavo < 1.5.4 - Unauthenticated Facebook CAPI Event Injection via pixelavo_event AJAX
Source: CVE Program / CVE List V5
Vulnerability Description
The Pixelavo WordPress plugin before 1.5.4 registers an unauthenticated AJAX action, gated only by a nonce that it emits publicly on every front-end page, that forwards client-supplied event data to the configured Facebook Conversions API using the administrator's stored access token. This allows an unauthenticated visitor to inject arbitrary conversion events into the administrator's Facebook ads account and exhaust the configured API quota.
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 Pixelavo 服务端请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Pixelavo是WordPress基金会的一款WordPress插件，提供Facebook Pixel及Conversions API服务端追踪与AI广告工具。 WordPress Pixelavo 1.5.4之前版本存在服务端请求伪造漏洞，该漏洞源于注册了未经验证的AJAX操作且仅通过公开的nonce限制，可能导致未认证访问者向管理员Facebook广告账户注入任意转换事件并耗尽API配额。
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 Pixelavo 0 ~ 1.5.4 -

II. Public POCs for CVE-2026-13604

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III. Intelligence Information for CVE-2026-13604

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Vendor Advisories for CVE-2026-13604 (1)

Same Patch Batch · Unknown · 2026-08-01 · 30 CVEs total

CVE-2026-13596 Participants Database < 2.7.8.4 - Unauthenticated SQL Injection via List Search
CVE-2025-15669 Bit Form < 3.1.4 - Admin+ Stored XSS via Conversational Form Progress Label
CVE-2026-12966 Direct Payments for WooCommerce < 2.5.3 - Unauthenticated Cross-Customer Order Tampering v
CVE-2026-15932 Support Genix Lite < 1.4.48 - Unauthenticated Arbitrary File Read via Path Traversal
CVE-2026-14309 Chat On Desk < 1.0.9 - Unauthenticated Account Takeover via Password Reset OTP Bypass
CVE-2026-14596 DynamicKit for Elementor < 1.0.3 - Unauthenticated Account Takeover via Password Reset Lin
CVE-2026-14836 Login/Signup Popup < 3.2.5 - Unauthenticated Account Takeover via Password Reset Rate Limi
CVE-2026-14197 Fluent Support < 2.3.1 - Agent+ Arbitrary Ticket Customer Reassignment via IDOR
CVE-2026-15244 HUSKY - Products Filter Professional for WooCommerce < 1.4.1 - Shop Manager+ Local File In
CVE-2026-15368 Profile Builder < 3.16.4 - Unauthenticated Account Takeover via Auto-Login After Registrat
CVE-2026-15234 Codeless Page Builder <= 1.1.4 - Contributor+ Stored XSS via Shortcode Attribute
CVE-2026-15262 Admin Columns for ACF Fields <= 0.3.2 - Contributor+ Stored XSS via ACF Field Value Column
CVE-2026-13157 Theme Demo Import <= 1.1.3 - Admin+ Arbitrary File Upload
CVE-2026-13158 Everest Toolkit <= 1.2.3 - Admin+ Arbitrary File Upload
CVE-2026-10827 Spectra (Ultimate Addons for Gutenberg) < 2.20.0 - Contributor+ Stored CSS Injection via B
CVE-2026-14840 YOP Poll < 7.0.6 - Unauthenticated Vote Restriction Bypass via IP Header Spoofing
CVE-2026-13329 WC Buckaroo BPE Gateway < 4.9.0 - Subscriber+ Unauthorized Order Refund
CVE-2026-12696 wpForo Forum < 3.1.2 - Subscriber+ Stored XSS via Profile Location Field
CVE-2026-11882 Builderall for WordPress < 3.0.2 - Unauthenticated OAuth Access Token Poisoning via Public
CVE-2026-13725 Dynamic Pricing With Discount Rules for WooCommerce < 5.0.0 - Reflected XSS via wdpAjax

Showing top 20 of 30 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same vendor: Unknown