Hammas Calendar

Hammas Calendar has one disclosed vulnerability in the WordSec catalog, all reported in 2026; it is fixed as of September 2026. Their average CVSS score is 6.4, and the most serious one scores 6.4 out of 10.

The most common weakness is Cross-Site Scripting, behind 1 of the records (100%).

The one issue recorded for Hammas Calendar has a vendor fix available, so running the current release closes it.

All of these findings were reported by zaim. Hammas Calendar is installed on roughly 40 WordPress sites, so each unpatched flaw has a wide blast radius. The current release is tested up to WordPress 7.0.4.

Strategic Overview

Avg CVSSMedium

6.4/ 10

Patch Coverage100%

Open

Fixed

Get automatic notifications for all Hammas Calendar vulnerabilities before they are exploited.

Highest severity on recordCVSS 6.4CVE-2026-1902

Hammas Calendar <= 1.5.11 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'apix' Shortcode Attribute

Read the full analysis

Vulnerability Records

1 records


2026-03-06 11:23	Hammas Calendar <= 1.5.11 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'apix' Shortcode Attribute Hammas Calendar <= 1.5.11	`CVE-2026-1902`	6.4 Medium	zaim	Yes

Showing 1–1 of 1 reports

Plugin Profile

Latestv1.5.14

Hammas Calendar

Author

innovaatik

0.0(0)

0/100

Last Updated

2026-06-02 (3mo ago)

Active Installs

40+

Downloads

3,409

Requires WP

4.0+

Requires PHP

Tested up to

WP 7.0.4

Created

2014-03-03 (13y ago)

Plugin allows web users to interact with dental software Hammas to add and delete appointments. Users are identified by using Estonian ID card,Estonian mobile-ID service or Smart-ID. For more information about how to get start can be found from the official website

View on WordPress.org