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CVE-2026-16260— Post Grid, Slider & Carousel Ultimate < 1.8.1 - Contributor+ Stored XSS via Header Title Field

Quick assessment

Affected
Unknown Post Grid, Slider & Carousel Ultimate
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 插件 Post Grid, Slider & Carousel Ultimate 在 1.8.1 版本之前，未在将某个自定义文章类型设置输出到后台编辑页面的 HTML 属性之前对其进行适当的过滤和转义，从而导致具有“贡献者”及以上权限的用户可以注入 JavaScript 代码。当管理员打开受影响的条目时，这些 JavaScript 代码将在管理员的会话中执行。

AI Predicted 5.4 Difficulty: Easy EPSS 0.16% · P6

Possible ATT&CK Techniques 1 AI

T1133 · External Remote Services

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown Post Grid, Slider & Carousel Ultimate < 1.8.1 affected
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I. Basic Information for CVE-2026-16260

Vulnerability Information
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Vulnerability Title
Post Grid, Slider & Carousel Ultimate < 1.8.1 - Contributor+ Stored XSS via Header Title Field
Source: CVE Program / CVE List V5
Vulnerability Description
The Post Grid, Slider & Carousel Ultimate WordPress plugin before 1.8.1 does not sanitise and escape one of its custom post type settings before outputting it in an HTML attribute on the admin edit screen, allowing users with the Contributor role and above to inject JavaScript that executes in the session of any administrator who opens the affected item.
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

Affected Products

Vendor Product Affected Versions CPE Subscribe
Unknown Post Grid, Slider & Carousel Ultimate 0 ~ 1.8.1 -

II. Public POCs for CVE-2026-16260

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III. Intelligence Information for CVE-2026-16260

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News Coverage for CVE-2026-16260 (1)

Same Patch Batch · Unknown · 2026-08-22 · 13 CVEs total

CVE-2026-77001 Social Login & Sharing buttons with Analytics By SoClever <= 1.2.0 - Unauthenticated Authe
CVE-2026-77002 SmilePass Selfie Login <= 1.0.2 - Unauthenticated Authentication Bypass
CVE-2026-77000 WP Social Media Login <= 1.0.6 - Unauthenticated Account Takeover via Twitter Login Flow
CVE-2026-19222 Forminator Forms < 1.57.0.7 - Authenticated Privilege Escalation via Registration Form Rol
CVE-2026-19093 Tutor LMS < 4.0.6 - Instructor+ Arbitrary File Read via Video Path
CVE-2026-19221 Forminator Forms < 1.57.0.5 - Admin+ Network-Wide RCE via Hub Connector API Key on Multisi
CVE-2026-76789 Slider Hero < 9.1.3 - Unauthenticated Stored XSS via Slider Type Change and Add-Slider Han
CVE-2026-76793 Firebase Authentication < 1.7.1 - Unauthenticated Account Takeover via Firebase Email Clai
CVE-2026-16738 Conekta Payment Gateway < 6.2.2 - Unauthenticated Order Payment Completion via Webhook For
CVE-2026-16612 FiboSearch < 1.34.1 - Unauthenticated Password-Protected Product Information Disclosure
CVE-2026-18052 ManageWP Worker < 4.9.37 - Unauthenticated Authentication Bypass via Unsigned Auto-Login P
CVE-2026-14187 Tutor LMS < 4.0.6 - Instructor+ Cross-Instructor Private Course Disclosure via IDOR

IV. Related Vulnerabilities

Same product: Post Grid, Slider & Carousel Ultimate
Same vendor: Unknown

V. Comments for CVE-2026-16260

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