CVE-2023-0588 — The Catalyst Connect Zoho CRM Client Portal WordPress plugin before 2

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.

01What is this vulnerability?

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.

02Affected products

Vendor	Product	Versions
Unknown	Catalyst Connect Zoho CRM Client Portal	0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-06-27T13:17:24.246Z
• Last modified: 2024-11-27T17:02:36.727Z

09References

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