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CVE-2026-10077— YOOtheme Pro < 5.0.35 - Author+ Stored XSS via UIkit Data Attributes

Quick assessment

Affected
Unknown yootheme
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.

YOOtheme YOOtheme是德国YOOtheme公司的一款CMS组件。 YOOtheme 5.0.35之前版本存在跨站脚本漏洞，该漏洞源于其打包的前端框架未能阻止将某些HTML属性视为标记，允许作者角色用户进行存储型跨站脚本攻击，在查看受影响文章的任何用户浏览器中执行。

AI Predicted 6.1 Difficulty: Easy EPSS 0.43% · P35

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown yootheme < 5.0.35 affected
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I. Basic Information for CVE-2026-10077

Vulnerability Information
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Vulnerability Title
YOOtheme Pro < 5.0.35 - Author+ Stored XSS via UIkit Data Attributes
Source: CVE Program / CVE List V5
Vulnerability Description
The yootheme WordPress theme before 5.0.35 does not prevent its bundled front-end framework from treating certain HTML attributes, which are permitted by wp_kses_post(), as markup, allowing users with the Author role to perform Stored Cross-Site Scripting attacks that execute in the browser of any user who views the affected post.
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
YOOtheme 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
YOOtheme YOOtheme是德国YOOtheme公司的一款CMS组件。 YOOtheme 5.0.35之前版本存在跨站脚本漏洞，该漏洞源于其打包的前端框架未能阻止将某些HTML属性视为标记，允许作者角色用户进行存储型跨站脚本攻击，在查看受影响文章的任何用户浏览器中执行。
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 yootheme 0 ~ 5.0.35 -

II. Public POCs for CVE-2026-10077

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III. Intelligence Information for CVE-2026-10077

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Vendor Advisories for CVE-2026-10077 (1)

Same Patch Batch · Unknown · 2026-07-02 · 4 CVEs total

CVE-2026-11578 Fluent Forms < 6.2.5 - Form Manager+ Cross-Form Submission Entry Deletion via IDOR
CVE-2026-11965 User Registration & Membership < 5.2.0 - Unauthenticated Paid Membership Bypass
CVE-2026-11781 Adminify < 4.2.10 - Contributor+ Sensitive Information Disclosure via Global Search AJAX

IV. Related Vulnerabilities

Same vendor: Unknown

V. Comments for CVE-2026-10077

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