CVE-2026-90978— Filter Gallery < 1.1.5 - Subscriber+ Arbitrary Post Overwrite and Plugin Option Deletion via Fail-Open Nonce Check
Quick assessment
Affected
Unknown Filter Gallery
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.
The Filter Gallery WordPress plugin before 1.1.5 does not verify the nonce on several of its AJAX handlers when the nonce field is omitted, and applies no capability check, allowing low-privileged users to overwrite the content of arbitrary posts and delete th
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I. Basic Information for CVE-2026-90978
Vulnerability Information
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Vulnerability Title
Filter Gallery < 1.1.5 - Subscriber+ Arbitrary Post Overwrite and Plugin Option Deletion via Fail-Open Nonce Check
Source: CVE Program / CVE List V5
Vulnerability Description
The Filter Gallery WordPress plugin before 1.1.5 does not verify the nonce on several of its AJAX handlers when the nonce field is omitted, and applies no capability check, allowing low-privileged users to overwrite the content of arbitrary posts and delete the Filter Gallery WordPress plugin before 1.1.5's stored gallery options.
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 | Filter Gallery | 1.1.2 ~ 1.1.5 | - |
|
II. Public POCs for CVE-2026-90978
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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No public POC found.
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Other References for CVE-2026-90978 (1)
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Filter Gallery < 1.1.5 – Subscriber+ Arbitrary Post Overwrite and Plugin Option Deletion via Fail-Open Nonce Check | CVE 2026-90978 | Plugin Vulnerabilities exploit vdb-entry technical-description
Same Patch Batch · Unknown · 2026-09-18 · 32 CVEs total
| CVE-2026-88994 | 6.6 MEDIUM | All Bootstrap Blocks 1.3.20 - 1.3.31 - Contributor+ LFI via lightspeed Block Attributes |
| CVE-2026-79713 | 6.5 MEDIUM | Breeze Cache 1.2.5 - 2.5.14 - Unauthenticated Cache Poisoning via Unkeyed Tracking Paramet |
| CVE-2026-90977 | 5.3 MEDIUM | Clean Login < 1.19 - Unauthenticated CAPTCHA Bypass via Empty Session Comparison |
| CVE-2026-86796 | 5.3 MEDIUM | WP Ghost (Hide My WP Ghost) 7.0.10 - Unauthenticated Firewall, Threat Detection and URL Hi |
| CVE-2026-86800 | 5.3 MEDIUM | WP Ghost (Hide My WP Ghost) < 7.0.11 - Unauthenticated URL Hiding Bypass via Loopback Comp |
| CVE-2026-90976 | 5.3 MEDIUM | Clean Login < 1.19 - Unauthenticated Account Creation with Registration Disabled |
| CVE-2026-85350 | UpsellWP < 2.2.10 - Unauthenticated Price Manipulation via Frequently Bought Together | |
| CVE-2026-84902 | King Addons for Elementor < 51.1.81 - Contributor+ Stored XSS via Template Catalog Import | |
| CVE-2026-85127 | VikBooking 1.8.8 - 1.8.14 - Unauthenticated Stored XSS via SVG Chat Attachment | |
| CVE-2026-87767 | WP Shortcut Link <= 1.2.0 - Unauthenticated SQL Injection via url | |
| CVE-2026-85123 | Easy Form Builder 4.0.0 - 4.1.3 - Unauthenticated Registration Policy Bypass via Login For | |
| CVE-2026-85009 | RestroPress <= 3.4.6 - Unauthenticated Order Enumeration and Order Note Modification via P | |
| CVE-2026-85122 | Easy Form Builder 4.0.0 - 4.1.3 - Unauthenticated Stored XSS via Form Type Confusion | |
| CVE-2026-84903 | King Addons for Elementor < 51.1.81 - Contributor+ Private Post Content Disclosure via kng | |
| CVE-2026-84904 | King Addons for Elementor 51.1.56 - 51.1.80 - Author+ Missing Authorization via Image Opti | |
| CVE-2026-81810 | All-in-One WP Migration and Backup < 7.111 - Authenticated Privilege Escalation to Admin v | |
| CVE-2026-81340 | MasterStudy LMS < 3.7.50 - Instructor+ Order Status Manipulation via IDOR | |
| CVE-2026-84738 | AF Companion < 2.2.0 - Shop Manager+ Arbitrary File Upload to RCE | |
| CVE-2026-87770 | Price Drop Alert for WooCommerce <= 1.1 - Unauthenticated SQL Injection via product | |
| CVE-2026-87775 | Tz Weekly Radio Schedule <= 1.8.1 - Unauthenticated SQLi via tzwrs_update_cell |
Showing top 20 of 32 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same vendor: Unknown
-
CVE-2026-90976
Clean Login < 1.19 - Unauthenticated Account Creation with R -
CVE-2026-90977
Clean Login < 1.19 - Unauthenticated CAPTCHA Bypass via Empt -
CVE-2026-88994
All Bootstrap Blocks 1.3.20 - 1.3.31 - Contributor+ LFI via -
CVE-2026-86796
WP Ghost (Hide My WP Ghost) 7.0.10 - Unauthenticated Firewal -
CVE-2026-86800
WP Ghost (Hide My WP Ghost) < 7.0.11 - Unauthenticated URL H
V. Comments for CVE-2026-90978
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