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CVE-2026-81651— NextGEN Gallery < 4.5.0 - Authenticated Cross-Gallery Settings Modification via IDOR

Quick assessment

Affected
Unknown Photo Gallery, Sliders, Proofing and Themes
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.

Photo Gallery, Sliders, Proofing WordPress 插件在 4.5.0 版本之前，未验证保存画廊的用户是否为该画廊的所有者。这使得任何被管理员授予“gallery-management”权限的用户都可以覆盖站点上任意已存储的画廊设置（包括其文件系统路径），即使这些画廊属于其他用户。

AI Predicted 6.5 Difficulty: Moderate
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I. Basic Information for CVE-2026-81651

Vulnerability Information
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Vulnerability Title
NextGEN Gallery < 4.5.0 - Authenticated Cross-Gallery Settings Modification via IDOR
Source: CVE Program / CVE List V5
Vulnerability Description
The Photo Gallery, Sliders, Proofing and WordPress plugin before 4.5.0 does not verify that the user saving a gallery owns it, allowing any user granted its gallery-management capability by an administrator to overwrite the stored settings of any gallery on the site, including its filesystem path, and including galleries belonging to other users.
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 Photo Gallery, Sliders, Proofing and Themes 0 ~ 4.5.0 -

II. Public POCs for CVE-2026-81651

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III. Intelligence Information for CVE-2026-81651

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Other References for CVE-2026-81651 (1)

Same Patch Batch · Unknown · 2026-09-20 · 20 CVEs total

CVE-2026-85017 Unlimited Elements For Elementor < 2.0.20 - Subscriber+ PHP Object Injection
CVE-2026-14844 Master Slider <= 3.11.2 - Contributor+ Stored XSS via ms_slider Shortcode Attributes
CVE-2026-16542 Import and export users and customers < 2.4.5 - Admin+ SSRF via bp_avatar
CVE-2026-81650 NextGEN Gallery < 4.5.0 - Authenticated Arbitrary File Upload via ZIP Import
CVE-2026-81652 NextGEN Gallery < 4.5.0 - Contributor+ Image Metadata Disclosure via IDOR
CVE-2026-81653 NextGEN Gallery < 4.5.0 - Authenticated Arbitrary Gallery Image Deletion via IDOR
CVE-2026-81654 NextGEN Gallery < 4.5.0 - Authenticated Plugin Image Settings Update
CVE-2026-87068 Forminator Forms < 1.57.2.1 - Authenticated Privilege Escalation via Quiz Lead-Form Import
CVE-2026-87067 Forminator Forms < 1.57.2.1 - Authenticated RCE via XML-RPC PHP Object Injection
CVE-2026-84223 Kirki 6.0.0 - 6.3.0 - Author+ Stored XSS via Unsanitized SVG Upload
CVE-2026-92540 Import and export users and customers < 2.5.2 - Custom Role Privilege Escalation to Admini
CVE-2026-82842 SAML Single Sign On < 6.0.0 - Unauthenticated Privilege Escalation via Account Matching
CVE-2026-87840 Tripzzy < 1.5.1 - Unauthenticated Booking Data Tampering
CVE-2026-87839 Tripzzy < 1.5.1 - Unauthenticated Arbitrary Comment Deletion
CVE-2026-92410 Sign-up Sheets < 2.4.0 - Arbitrary Sign-up Deletion via CSRF
CVE-2026-92423 Meow Gallery < 5.5.5 - Author+ Draft and Private Post Disclosure via fetch_posts
CVE-2026-92422 Meow Gallery < 5.5.5 - Unauthenticated Arbitrary Shortcode Execution via load_gallery_coll
CVE-2026-92965 TikTok 1.2.0 - 1.4.1 - Unauthenticated OAuth Code Redemption
CVE-2026-92541 Import and export users and customers < 2.5.2 - Custom Role Privilege Escalation to Admini

IV. Related Vulnerabilities

Same product: Photo Gallery, Sliders, Proofing and Themes
Same vendor: Unknown

V. Comments for CVE-2026-81651

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