WordPress Plugin Vulnerabilities

Hoo Companion 1.0.2 - Unauthenticated Stored XSS via Theme Settings Import

Description

The plugin does not have any authorisation or validation checks in one of its import features, and does not sanitise the data submitted to it before storing it as the active theme's settings, allowing unauthenticated attackers to inject arbitrary web scripts which will execute for anyone viewing the site, including administrators. The same request destroys the site's existing theme settings.

Proof of Concept

Affects Plugins

No known fix

References

Classification

Type
XSS
CWE
CVSS

Miscellaneous

Original Researcher
Enrico Marcolini - Claudio Marchesini - Dottor Marc
Submitter
Enrico Marcolini - Claudio Marchesini - Dottor Marc
Submitter website
Verified
Yes

Timeline

Publicly Published
2026-09-10 (about 3 days ago)
Added
2026-09-10 (about 3 days ago)
Last Updated
2026-09-11 (about 1 day ago)

Other