CVE-2023-0366: Loan Comparison < 1.5.3 - Contributor+ Stored XSS via shortcode

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-02-21 · updated 2026-06-17

Description

The Loan Comparison WordPress plugin before 1.5.3 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks

Affected products

Quick-Plugins Loan Comparison: before 1.5.3 — fixed in 1.5.3

How to fix

Upgrade to a fixed version: Quick-Plugins Loan Comparison 1.5.3. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/7d68b0df-7169-46b2-b8e3-4d0c2aa8d605
https://wpscan.com/vulnerability/7d68b0df-7169-46b2-b8e3-4d0c2aa8d605

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