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CVE-2026-86799— Forms < 3.0.2 - Unauthenticated Stored XSS via Form Submission

Quick assessment

Affected
Unknown Forms
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.

3.0.2 版本之前的 Forms WordPress 插件在存储提交表单时未对提交的表单值进行 sanitization（净化/过滤），在管理员仪表盘的表单提交显示页面输出这些值时也未按需进行 HTML 转义处理，导致未认证的用户可以注入任意 Web 脚本，当任何管理员查看这些提交内容时，这些脚本将在其浏览器中执行。

AI Predicted 7.5 Difficulty: Trivial EPSS 0.38% · P30

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown Forms < 3.0.2 affected
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I. Basic Information for CVE-2026-86799

Vulnerability Information
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Vulnerability Title
Forms < 3.0.2 - Unauthenticated Stored XSS via Form Submission
Source: CVE Program / CVE List V5
Vulnerability Description
The Forms WordPress plugin before 3.0.2 does not sanitise submitted form values on storage, nor escape them before outputting them on the form submissions screen in the administration dashboard, allowing unauthenticated users to inject arbitrary web scripts that will execute in the browser of any administrator viewing the submissions.
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 Forms 0 ~ 3.0.2 -

II. Public POCs for CVE-2026-86799

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III. Intelligence Information for CVE-2026-86799

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Same Patch Batch · Unknown · 2026-10-14 · 47 CVEs total

CVE-2026-103308 6.5 MEDIUM Visma Pay for WooCommerce < 1.2.2 - Unauthenticated Payment Bypass and Order Data Disclosu
CVE-2026-97315 5.4 MEDIUM Responsive Blocks < 2.3.0 - Unauthenticated HTML Injection in Form Notification Email
CVE-2026-88998 5.3 MEDIUM Tickera < 3.6.0.4 - Unauthenticated Order Payment Bypass via 2Checkout IPN
CVE-2026-82844 5.3 MEDIUM WPForms Lite 1.10.0.1 - 2.0.2.1 - Unauthenticated Payment Bypass via PayPal Commerce
CVE-2026-101301 5.3 MEDIUM WPCode 2.0.0 - 2.3.9 - Unauthenticated Snippet Suppression via Safe Mode Bypass
CVE-2026-104751 Rank Math SEO < 1.0.280 - Unauthenticated SEO Analyzer Results Deletion
CVE-2026-108066 WP 2FA < 4.2.0 - Admin+ Arbitrary User 2FA Removal via IDOR
CVE-2026-106166 NEX-Forms 9.2.1 - 9.2.5 - Unauthenticated Arbitrary Form Entry Modification via 'nf_set_en
CVE-2026-103307 Walletdoc Payment Gateway for WooCommerce < 1.8.5 - Unauthenticated SQLi and Order Payment
CVE-2026-106098 WP Data Access < 5.5.77 - Unauthenticated Incorrect Authorization via Inline App Update
CVE-2026-105261 PublishPress Future 4.10.1 - 4.10.5 - Contributor+ Stored XSS via 'wrapper' and 'dateforma
CVE-2026-107126 WP Booking System < 2.1.0.1 - Unauthenticated Stored XSS via X-Forwarded-For Header
CVE-2026-107178 Image Photo Gallery Final Tiles Grid < 3.6.16 - Contributor+ Stored XSS via 'lightboxOptio
CVE-2026-107160 LTL Freight Quotes – Old Dominion Edition < 4.2.19 - Unauthenticated Stored HTML Injection
CVE-2026-107158 LTL Freight Quotes – Old Dominion Edition < 4.2.19 - Unauthenticated FreightDesk Integrati
CVE-2026-106646 Classified Listing < 6.1.1 - Subscriber+ Unattached Media Deletion and Modification via Ga
CVE-2026-107320 GamiPress 7.9.5 - 8.0.5 - Unauthenticated Private Activity Log Disclosure
CVE-2026-107508 Ultimate Multisite < 2.17.2 - Unauthenticated LFI via 'attributes' Parameter
CVE-2026-107594 File Upload to Order < 1.1.4 - Unauthenticated Arbitrary File Deletion
CVE-2026-104644 Image Photo Gallery Final Tiles Grid < 3.6.15 - Contributor+ Stored XSS via Gallery Config

Showing top 20 of 47 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Forms
Same vendor: Unknown

V. Comments for CVE-2026-86799

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