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CVE-2026-16559— YMC Filter < 3.12.9 - Author+ Stored XSS via SVG Icon Upload

Quick assessment

Affected
Unknown YMC Filter
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.

YMC YMC Filter是YMC个人开发者的一款功能强大且灵活的免费 WordPress 高级内容筛选与网格展示插件。 YMC Filter 3.12.9之前版本存在安全漏洞，该漏洞源于未对通过图标上传功能上传的SVG文件进行清理，可能允许具有作者及以上权限的用户上传包含JavaScript的文件，当文件被查看时在站点源中执行。

AI Predicted 6.1 Difficulty: Easy EPSS 0.43% · P35

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown YMC Filter < 3.12.9 affected
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I. Basic Information for CVE-2026-16559

Vulnerability Information
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Vulnerability Title
YMC Filter < 3.12.9 - Author+ Stored XSS via SVG Icon Upload
Source: CVE Program / CVE List V5
Vulnerability Description
The YMC Filter WordPress plugin before 3.12.9 does not sanitize SVG files uploaded through one of its icon upload features and permits their upload by low-privileged users, allowing users with the Author role and above to upload a file containing JavaScript that executes in the site's origin when the file is viewed.
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
YMC Filter 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
YMC YMC Filter是YMC个人开发者的一款功能强大且灵活的免费 WordPress 高级内容筛选与网格展示插件。 YMC Filter 3.12.9之前版本存在安全漏洞，该漏洞源于未对通过图标上传功能上传的SVG文件进行清理，可能允许具有作者及以上权限的用户上传包含JavaScript的文件，当文件被查看时在站点源中执行。
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 YMC Filter 0 ~ 3.12.9 -

II. Public POCs for CVE-2026-16559

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III. Intelligence Information for CVE-2026-16559

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Vendor Advisories for CVE-2026-16559 (1)

Same Patch Batch · Unknown · 2026-08-08 · 17 CVEs total

CVE-2026-16955 AI Engine < 3.6.6 - Subscriber+ Arbitrary File Read via Audio Transcription
CVE-2026-16953 AI Engine < 3.6.4 - Unauthenticated Cross-Session Chatbot File Deletion via Forgeable Sess
CVE-2026-16595 WP Directory Kit < 1.5.5 - Subscriber+ User and Unpublished Listing Disclosure
CVE-2026-16608 Download Monitor < 5.2.6 - Unauthenticated Download Log Injection
CVE-2026-16948 Solace Extra < 1.6.1 - Subscriber+ Multiple Missing Authorization via Site-Wide Nonce Expo
CVE-2026-16594 WP Directory Kit < 1.5.5 - Subscriber+ Plugin Settings and API Key Disclosure
CVE-2026-16590 WP Directory Kit < 1.5.5 - Subscriber+ Contact Message and User Data Disclosure
CVE-2026-16578 Admin Safety Guard < 1.4.0 - Unauthenticated User Data Disclosure via 2fa/app/users REST R
CVE-2026-16574 Dokan < 5.0.11 - Vendor+ Cross-Vendor Downloadable Product Access Grant via Order Download
CVE-2026-16562 WP Statistics < 14.16.10 - Subscriber+ Sensitive Data Disclosure via Metabox AJAX Handlers
CVE-2026-16589 WP Directory Kit < 1.5.5 - Subscriber+ SQL Injection via data_fields_list Parameter
CVE-2026-16535 Link Library < 7.9.4 - Reflected XSS via Thumbs-Rating likelabel
CVE-2026-16282 Appointment Hour Booking < 1.5.88 - Unauthenticated Booking Price Manipulation via tcost P
CVE-2026-16558 YMC Filter < 3.12.8 - Contributor+ Stored XSS via Layout Builder Schema
CVE-2026-16269 Newsletters < 4.16 - Unauthenticated API Authentication Bypass via Type Juggling
CVE-2026-16267 Newsletters < 4.16 - Unauthenticated PHP Object Injection via Date Form Field

IV. Related Vulnerabilities

Same product: YMC Filter
Same vendor: Unknown

V. Comments for CVE-2026-16559

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