CVE-2023-0543: Arigato Autoresponder and Newsletter < 2.1.7.2 - Admin+ Stored XSS

Severity: medium (CVSS 4.8 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: 2023-02-27 · updated 2026-06-17

Description

The Arigato Autoresponder and Newsletter WordPress plugin before 2.1.7.2 does not sanitize and escape some of its settings, which could allow high-privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.

Affected products

Kiboko Labs https://calendarscripts.info/ Arigato Autoresponder and Newsletter: before 2.1.7.2 — fixed in 2.1.7.2

How to fix

Upgrade to a fixed version: Kiboko Labs https://calendarscripts.info/ Arigato Autoresponder and Newsletter 2.1.7.2. Check the vendor advisory for mitigations.

References

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