CVE-2021-39345 | Severity.io

Description

The HAL WordPress plugin is vulnerable to Stored Cross-Site Scripting due to insufficient input validation and sanitization via several parameters found in the ~/wp-hal.php file which allowed attackers with administrative user access to inject arbitrary web scripts, in versions up to and including 2.1.1. This affects multi-site installations where unfiltered_html is disabled for administrators, and sites where unfiltered_html is disabled.

Related CPE's

cnrs

hal

wordpress

Vulnerable

References

https://github.com/BigTiger2020/word-press/blob/main/HAL.md

ExploitThird Party Advisory

https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2614075%40hal&new=2614075%40hal&sfp_email=&sfph_mail=

PatchThird Party Advisory

https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39345

Third Party Advisory