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CVE-2026-16042— LWS Optimize < 3.4 - Subscriber+ Cache Deletion

Quick assessment

Affected
Unknown LWS Optimize
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.

Aurélien LWS LWS Optimize – All-in-One Speed Booster & Cache Tools是Aurélien LWS个人开发者的一款一站式性能优化方案。 Aurélien LWS LWS Optimize – All-in-One Speed Booster & Cache Tools 3.4之前版本存在授权问题漏洞，该漏洞源于未执行能力检查，可能导致任何已认证用户（包括订阅者）刷新站点缓存并强制重复重建缓存。

AI Predicted 4.3 Difficulty: Trivial EPSS 0.33% · P23

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown LWS Optimize < 3.4 affected
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I. Basic Information for CVE-2026-16042

Vulnerability Information
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Vulnerability Title
LWS Optimize < 3.4 - Subscriber+ Cache Deletion
Source: CVE Program / CVE List V5
Vulnerability Description
The LWS Optimize WordPress plugin before 3.4 does not perform a capability check on its cache-clearing actions, allowing any authenticated user, including Subscribers, to flush the site's caches and force repeated cache rebuilds.
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
Vulnerability Title
Aurélien LWS LWS Optimize – All-in-One Speed Booster & Cache Tools 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Aurélien LWS LWS Optimize – All-in-One Speed Booster & Cache Tools是Aurélien LWS个人开发者的一款一站式性能优化方案。 Aurélien LWS LWS Optimize – All-in-One Speed Booster & Cache Tools 3.4之前版本存在授权问题漏洞，该漏洞源于未执行能力检查，可能导致任何已认证用户（包括订阅者）刷新站点缓存并强制重复重建缓存。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Unknown LWS Optimize 0 ~ 3.4 -

II. Public POCs for CVE-2026-16042

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III. Intelligence Information for CVE-2026-16042

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Other References for CVE-2026-16042 (1)

Same Patch Batch · Unknown · 2026-08-02 · 27 CVEs total

CVE-2026-14817 Element Pack Elementor Addons < 8.7.13 - Contributor+ DOM-Based Stored XSS via uikit Data
CVE-2026-14864 JetEngine < 3.8.12 - Contributor+ Stored XSS via jet_engine Shortcode
CVE-2026-14920 AcyMailing < 10.11.1 - Unauthenticated SQL Injection via subscription[] Parameter
CVE-2026-14841 King Addons for Elementor < 51.1.76 - Reflected XSS via Posts Grid Widget
CVE-2026-14938 FluentBoards < 1.95.3 - Subscriber+ Cross-Board Task Disclosure via IDOR
CVE-2026-15151 Five Star Restaurant Reservations < 2.7.23 - Booking Manager+ Missing Authorization via rt
CVE-2026-15206 SMS Alert Order Notifications – WooCommerce < 3.9.8 - Unauthenticated Account Takeover via
CVE-2026-16256 Pouco Import Users <= 1.0.0 - Unauthenticated Privilege Escalation
CVE-2026-15248 Meta Box < 5.13.1 - Contributor+ Arbitrary Attachment Deletion via IDOR
CVE-2026-15939 Simple Restrict < 1.2.9 - Contributor+ Restricted Content Disclosure via REST API
CVE-2026-15241 ChatBot for eCommerce – WoowBot < 4.8.4 - Unauthenticated Gemini API Key Abuse via qcld_ge
CVE-2026-15385 RT Mega Menu < 1.5.2 - Subscriber+ Stored XSS via Menu Item CSS
CVE-2026-12586 Lenxel WP <= 1.0.31 - Unauthenticated Account Takeover via Arbitrary Password Reset
CVE-2026-15236 Gallery for Google Photos < 1.2.1 - Unauthenticated Google OAuth Token Disclosure
CVE-2026-11872 Clever Mega Menu for Visual Composer <= 1.0.1 - Subscriber+ Menu Item Meta Update via save
CVE-2026-16285 WooCommerce Product Attachment < 2.3.3 - Unauthenticated Arbitrary Media Download
CVE-2026-16291 ProfileGrid < 5.9.9.8 - Subscriber+ Arbitrary Notification Deletion via IDOR
CVE-2026-16261 Huge IT Login <= 1.0.4 - Unauthenticated Account Takeover
CVE-2026-16273 Narrative Publisher <= 1.0.7 - Contributor+ Stored XSS via narrative_post_script Post Meta
CVE-2026-16292 Frontend File Manager Plugin <= 23.6 - File Metadata Update via CSRF

Showing top 20 of 27 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: LWS Optimize
Same vendor: Unknown

V. Comments for CVE-2026-16042

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