HAL

HAL has one disclosed vulnerability in the WordSec catalog, all reported in 2021; it is fixed as of September 2026. Their average CVSS score is 5.5, and the most serious one scores 5.5 out of 10.

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

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

All of these findings were reported by Thinkland Security Team. HAL is installed on roughly 500 WordPress sites, so each unpatched flaw has a wide blast radius. The current release is tested up to WordPress 7.1.

Strategic Overview

Avg CVSSMedium

5.5/ 10

Patch Coverage100%

Open

Fixed

Get automatic notifications for all HAL vulnerabilities before they are exploited.

Highest severity on recordCVSS 5.5CVE-2021-39345

HAL <= 2.1.1 Authenticated Stored Cross-Site Scripting

Read the full analysis

Vulnerability Records

1 records


2021-10-14 00:00	HAL <= 2.1.1 Authenticated Stored Cross-Site Scripting HAL <= 2.1.1	`CVE-2021-39345`	5.5 Medium	Thinkland Security Team	Yes

Showing 1–1 of 1 reports

Latestv2.7.2

HAL

Author

Baptiste Blondelle

3.5(4)

70/100

Last Updated

2026-08-13 (1mo ago)

Active Installs

500+

Downloads

15,619

Requires WP

5.0+

Requires PHP

Tested up to

WP 7.1

Created

2014-06-17 (12y ago)

This is the first (and as of today the only) WordPress plugin for the open archive HAL. It will allow you to display on your blog publications associated with authors and other entities (structures, collections, research projects). All data is fetched from the HAL’s website.

View on WordPress.org