Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-96899— Optima Express 8.6.0 - 8.7.5 - Author+ Stored XSS via faq_script

Quick assessment

Affected
Unknown Optima Express IDX
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.

Optima Express IDX WordPress 插件 8.7.6 之前的版本未能正确中和（sanitization/escape）通过其 REST API 端点提交的脚本值，并在文章渲染时将其存储并回显到文档头部（document head）中。这使得即使拥有“作者”（Author）角色的较低权限用户也能执行存储型跨站脚本（Stored XSS）攻击。

AI Predicted 6.1 Difficulty: Easy EPSS 0.15% · P4
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-96899

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Optima Express 8.6.0 - 8.7.5 - Author+ Stored XSS via faq_script
Source: CVE Program / CVE List V5
Vulnerability Description
The Optima Express IDX WordPress plugin before 8.7.6 does not properly neutralise a script value submitted through one of its REST endpoints before storing it and echoing it into the document head when the post is rendered, allowing users with a role as low as author to perform Stored Cross-Site Scripting attacks.
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 Optima Express IDX 8.6.0 ~ 8.7.6 -

II. Public POCs for CVE-2026-96899

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-96899

请登录查看更多情报信息。

Other References for CVE-2026-96899 (1)

Same Patch Batch · Unknown · 2026-09-27 · 19 CVEs total

CVE-2026-89003 WPeMatico RSS Feed Fetcher < 2.8.27 - Contributor+ SSRF via Campaign Preview
CVE-2026-84069 WebFacing Email Accounts for cPanel 5.3 - 5.3.6 - Unauthenticated LFI via assets/index.php
CVE-2026-81655 Ad Inserter 2.8.12 - 2.8.18 - Subscriber+ RCE / Stored XSS via Global Custom Fields
CVE-2026-82841 UpdraftPlus 1.23.8 - 1.26.7 - Subscriber+ Remote Storage Credential Disclosure via Migrati
CVE-2026-85002 EmbedPress < 4.6.7 - Contributor+ Stored XSS via Instagram Carousel Block Attributes
CVE-2026-86609 Download Manager Pro < 7.5.6 - Unauthenticated Stored XSS via Email Lock Subscription
CVE-2026-86839 Bookly < 28.3 - Staff+ Appointment and Payment Disclosure, Modification and Deletion via I
CVE-2026-86841 Bookly 23.2 - 28.2 - Bookly Administrator+ PHP Object Injection via Diagnostics Advanced O
CVE-2026-89001 WPeMatico RSS Feed Fetcher < 2.8.27 - Contributor+ Post Publication and Author Spoofing vi
CVE-2026-97227 NextScripts: Social Networks Auto-Poster < 4.4.8 - Authenticated Social Account Credential
CVE-2026-89006 WPeMatico RSS Feed Fetcher < 2.8.27 - Contributor+ Stored XSS via Feed Import
CVE-2026-89000 WPeMatico RSS Feed Fetcher < 2.8.27 - Contributor+ SSRF via Campaign Run
CVE-2026-96896 Malcure Malware Shield < 19.9.7 - Multisite Subsite Admin+ Arbitrary File Write and Deleti
CVE-2026-96897 Optima Express 8.5.0 - 8.7.5 - Unauthenticated Author Account Creation & Application Passw
CVE-2026-96895 WP YouTube Lyte < 1.7.31 - Contributor+ Stored XSS via Embed Block Attributes
CVE-2026-92995 Verge3D <= 4.13.0 - Unauthenticated Product Download Disclosure via v3d_download_file
CVE-2026-92436 Mailchimp for WooCommerce < 6.3 - Unauthenticated Customer Email and Cart Disclosure via I
CVE-2026-97319 PowerPress < 11.17.2 - Contributor+ Stored XSS via Podcast Player Block

IV. Related Vulnerabilities

Same product: Optima Express IDX
Same vendor: Unknown

V. Comments for CVE-2026-96899

No comments yet

Leave a comment