What’s Vulnerable › Vulnerabilities

CVE-2023-0099: Simple URLs < 115 - Multiple Reflected XSS

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-02-13 · updated 2026-06-17

Description

The Simple URLs WordPress plugin before 115 does not sanitise and escape some parameters before outputting them back in some pages, leading to Reflected Cross-Site Scripting which could be used against high privilege users such as admin.

Affected products

• Lasso Simple URLs: before 115 — fixed in 115

How to fix

Upgrade to a fixed version: Lasso Simple URLs 115. Check the vendor advisory for mitigations.

References

• http://packetstormsecurity.com/files/176983/WordPress-Simple-URLs-Cross-Site-Scripting.html
• https://wpscan.com/vulnerability/fd50f2d6-e420-4220-b485-73f33227e8f8
• http://packetstormsecurity.com/files/176983/WordPress-Simple-URLs-Cross-Site-Scripting.html
• https://wpscan.com/vulnerability/fd50f2d6-e420-4220-b485-73f33227e8f8

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