PT-2026-33616 · WordPress · Emc – Easily Embed Calendly Scheduling Features

Published 2026-04-19 · Updated 2026-04-19 · CVE-2026-0868

Positive Technologies (AI Summary)

CVSS v3.1

6.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions EMC – Easily Embed Calendly Scheduling Features versions prior to 4.5

Description Stored Cross-Site Scripting occurs via the calendly shortcode due to insufficient input sanitization and output escaping on user supplied attributes. Authenticated attackers with contributor-level access and above can inject arbitrary web scripts into pages, which execute when a user accesses the affected page.

Recommendations Update to a version later than 4.4.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-0868

Affected Products

Emc – Easily Embed Calendly Scheduling Features

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2026-0868 · Security Note
• https://twitter.com/VulmonFeeds/status/2045724215064613036 · Twitter Post
• https://twitter.com/CVEnew/status/2045835244540997890 · Twitter Post
• https://plugins.trac.wordpress.org/changeset/3466576/embed-calendly-scheduling · Note
• https://twitter.com/infoflowcloud/status/2045836799122055606 · Twitter Post
• https://wordfence.com/threat-intel/vulnerabilities/id/d5653ebe-7145-4b1c-94f8-ca87ed0dc4f5?source=cve · Note