CVE-2022-36390 — Authenticated (subscriber+) Reflected Cross-Site Scripting (XSS) vulnerability i

Authenticated (subscriber+) Reflected Cross-Site Scripting (XSS) vulnerability in Totalsoft Event Calendar – Calendar plugin <= 1.4.6 at WordPress.

01What is this vulnerability?

Authenticated (subscriber+) Reflected Cross-Site Scripting (XSS) vulnerability in Totalsoft Event Calendar – Calendar plugin <= 1.4.6 at WordPress.

02Affected products

Vendor	Product	Versions
Totalsoft	Event Calendar	Calendar (WordPress plugin) — <= 1.4.6

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: 2022-09-21T19:03:45.225Z
• Last modified: 2025-02-20T20:05:26.891Z

09References

• patchstack.com — https://patchstack.com/database/vulnerability/calendar-event/wordpress-event-cal…
• wordpress.org — https://wordpress.org/plugins/calendar-event/#developers