plugin

Lws Optimize Vulnerabilities

5 known security issues reported for the Lws Optimize WordPress plugin. Most recent disclosed Aug 4, 2026.

2 high 3 medium

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LWS Optimize <= 4.1.1 - Unauthenticated Stored Cross-Site Scripting

high

The LWS Optimize plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 4.1.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses...

CVSS:
7.2
Affected:
up to 4.1.1
Fixed in:
4.1.2
Disclosed:
Aug 4, 2026

CVE-2026-16032 on NVD →

LWS Optimize – All-in-One Speed Booster & Cache Tools < 3.4 - Missing Authorization

medium

The LWS Optimize – All-in-One Speed Booster & Cache Tools plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on a function in versions up to 3.4. This makes it possible for authenticated attackers, with subscriber-level access and above, to perform an unauthorized action.

CVSS:
4.3
Affected:
up to 3.4
Fixed in:
3.4
Disclosed:
Aug 2, 2026

CVE-2026-16042 on NVD →

WS Optimize – All-in-One Speed Booster & Cache Tools <= 3.3.19 - Authenticated (Editor+) Arbitrary File Read

medium

The LWS Optimize – All-in-One Speed Booster & Cache Tools plugin for WordPress is vulnerable to Arbitrary File Read in versions up to, and including, 3.3.19. This is due to the combine_current_css() function trusting <link rel="stylesheet" href="..."> values harvested from page HTML and converting same-site URLs to ab...

CVSS:
4.9
Affected:
up to 3.3.19
Fixed in:
3.3.20
Disclosed:
Jun 12, 2026

CVE-2026-12089 on NVD →

LWS Optimize <= 1.9.1 - Cross-Site Request Forgery

medium

The LWS Optimize plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.9.1. This is due to missing or incorrect nonce validation on the several functions. This makes it possible for unauthenticated attackers to perform unauthorized actions via a forged request granted they...

CVSS:
4.3
Affected:
up to 1.9.1
Fixed in:
2.0
Disclosed:
Mar 29, 2024

CVE-2024-30541 on NVD →

LWS Plugins <= (Various Versions) - Missing Authorization Checks

high

Several LWS Plugins for WordPress are vulnerable to authorization bypass due to making admin settings pages available to users with read access (LWS Affiliation in versions up to, and including, 2.1; LWS Optimize in versions up to, and including, 1.5; LWS Tools in versions up to, and including, 2.1; LWS Cleaner in vers...

CVSS:
8.8
Affected:
up to 1.5
Fixed in:
1.6
Disclosed:
Dec 12, 2022

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