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CVE-2026-96531— Optimole 4.0.0 - 4.2.12 - Author+ Stored XSS via Video Player Block

Quick assessment

Affected
Unknown Optimole
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.

Optimole WordPress 插件（版本低于 4.2.13）在将其 video-player 块渲染到块的包装元素之前，未对其无法识别的属性进行转义处理，这使得具有作者角色及更高权限的用户可以存储一个事件处理器属性，从而在访问该文章的任何用户（例如管理员）的浏览器中执行脚本。

AI Predicted 6.1 Difficulty: Easy EPSS 0.24% · P13

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown Optimole 4.0.0< 4.2.13 affected
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I. Basic Information for CVE-2026-96531

Vulnerability Information
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Vulnerability Title
Optimole 4.0.0 - 4.2.12 - Author+ Stored XSS via Video Player Block
Source: CVE Program / CVE List V5
Vulnerability Description
The Optimole WordPress plugin before 4.2.13 does not escape unrecognized attributes of its video-player block before rendering them onto the block's wrapper element, allowing users with the Author role and above to store an event-handler attribute that executes scripts in the browser of any user, such as an administrator, who views the post.
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 Optimole 4.0.0 ~ 4.2.13 -

II. Public POCs for CVE-2026-96531

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III. Intelligence Information for CVE-2026-96531

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Other References for CVE-2026-96531 (1)

Same Patch Batch · Unknown · 2026-09-26 · 15 CVEs total

CVE-2026-89237 Bluff Post <= 1.1.1 - Unauthenticated SQLi via 'table_name' and 'column_name' Parameters
CVE-2026-16591 WP Directory Kit < 1.5.8 - Listing Admin+ Stored XSS via Category and Location Title and I
CVE-2026-11871 Team Showcase Supreme < 9.3 - Unauthenticated Sensitive Data Disclosure via wpm_6310_team_
CVE-2026-19708 File Manager 7.2.2 - 8.0.4 - Unauthenticated Database Backup Disclosure
CVE-2026-84096 WP Review Slider Pro < 12.7.12 - Subscriber+ Stored XSS via Review Form Fields
CVE-2026-84095 WP Review Slider Pro < 12.7.12 - Subscriber+ Stored XSS via Review Import
CVE-2026-85081 Multiple elFinder Plugins - DOM-based XSS via postMessage Origin Bypass
CVE-2026-92411 WP Delicious < 1.10.8 - Contributor+ Stored XSS via Recipe Block Tag Name
CVE-2026-84097 WP Review Slider Pro < 12.7.12 - Subscriber+ SQLi via Stored Template Filter
CVE-2026-96533 Testimonials Widget <= 4.0.4 - Unauthenticated SSRF via Featured Image URL
CVE-2026-96532 Testimonials Widget <= 4.0.4 - Unauthenticated Arbitrary Post Update
CVE-2026-96524 MCP Server for WordPress < 1.8.2 - Administrator Account Creation via CSRF
CVE-2026-96526 MCP Server for WordPress < 1.8.2 - Contributor+ Arbitrary Post Title Disclosure via workfl
CVE-2026-96525 MCP Server for WordPress < 1.8.2 - Contributor+ Workflow Modification and Deletion via Mis

IV. Related Vulnerabilities

Same product: Optimole
Same vendor: Unknown

V. Comments for CVE-2026-96531

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