Threats Tagged 'ghsa-77q8-j8j6-95hj'
View all threats tagged with 'ghsa-77q8-j8j6-95hj'. Filter and sort to focus on specific types of threats.
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Threats Tagged 'ghsa-77q8-j8j6-95hj'
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Concrete CMS versions 9 through 9.5.2 have a Server-Side Template Injection (SSTI) vulnerability in the Theme Customizer. This occurs because style values submitted via the customizer are interpolated into server-compiled LESS source without proper neutralization, allowing injection of arbitrary LESS directives. An attacker with Theme Customization permission can exploit this to read arbitrary server files and access internal network resources. The compiled CSS cache publicly exposes sensitive data such as database credentials and private keys. The vulnerability has a CVSS v4.0 score of 5.9, indicating medium severity. Join the discussion | GCVE Database | 09/11/2026, 21:31:18 UTC Added: 09/12/2026, 00:43:34 UTC |
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