Callum Stewart

Director (Offensive Security Services)

As a Technical Team Manager with over ten years’ security experience, Callum has a wide range of experience in several technical roles.

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Highlights

Career highlights

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As a Technical Team Manager with over ten years’ security experience, Callum has a wide range of experience in several technical roles. His role at Bastion Security focuses on technical testing, as well as configuration and design reviews. Callum covers a wide range of testing, including penetration testing of websites, applications and APIs, firewall configuration reviews, host security configuration reviews, external perimeter reviews and application configuration reviews.

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Silverstripe - Cross-Site Scripting (XSS) Vulnerability

A Cross-Site Scripting (XSS) vulnerability has been identified in the administrator panel of Silverstripe CMS, specifically in the handling of the user input within the form messages module.

Silverstripe - Host Header Injection

A Host header injection vulnerability in Silverstripe has been identified that allows an attacker to poison the password rese

Statamic CMS

Sam Schroder found a local file inclusion (write only) vulnerability inside of the upload functionality of Statamic CMS. This affects front end components like forms with `assets` fields.

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