CVE-2023-0588: Catalyst Connect Zoho CRM Client Portal < 2.1.0 - Reflected XSS

Severity: medium (CVSS 6.1 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: 2023-06-27 · updated 2026-06-17

Description

The Catalyst Connect Zoho CRM Client Portal WordPress plugin before 2.1.0 does not sanitize and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high-privilege users such as admin.

Affected products

Catalyst Connect Zoho CRM Client Portal: before 2.1.0 — fixed in 2.1.0

How to fix

Upgrade to a fixed version: Catalyst Connect Zoho CRM Client Portal 2.1.0. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/84be272e-0891-461c-91ad-496b64f92f8f
https://wpscan.com/vulnerability/84be272e-0891-461c-91ad-496b64f92f8f

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