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GHSA-j4fh-vmxm-5699

Опубликовано: 14 авг. 2026
Источник: github
Github: Не прошло ревью
CVSS4: 8.6
CVSS3: 7.2

Описание

ImpressCMS contains an authenticated remote code execution vulnerability in the custom tag module that allows authenticated administrators to execute arbitrary PHP code by storing a malicious payload in a custom tag with PHP type enabled. The application decodes HTML-encoded content via undoHtmlSpecialChars() before passing it to eval() in the renderWithPhp() method, bypassing HTML Purifier sanitization, and the payload is triggered on every frontend page load through the preload event system.

ImpressCMS contains an authenticated remote code execution vulnerability in the custom tag module that allows authenticated administrators to execute arbitrary PHP code by storing a malicious payload in a custom tag with PHP type enabled. The application decodes HTML-encoded content via undoHtmlSpecialChars() before passing it to eval() in the renderWithPhp() method, bypassing HTML Purifier sanitization, and the payload is triggered on every frontend page load through the preload event system.

EPSS

Процентиль: 47%
0.0061
Низкий

8.6 High

CVSS4

7.2 High

CVSS3

Дефекты

CWE-94

Связанные уязвимости

CVSS3: 7.2
nvd
около 1 месяца назад

ImpressCMS contains an authenticated remote code execution vulnerability in the custom tag module that allows authenticated administrators to execute arbitrary PHP code by storing a malicious payload in a custom tag with PHP type enabled. The application decodes HTML-encoded content via undoHtmlSpecialChars() before passing it to eval() in the renderWithPhp() method, bypassing HTML Purifier sanitization, and the payload is triggered on every frontend page load through the preload event system.

EPSS

Процентиль: 47%
0.0061
Низкий

8.6 High

CVSS4

7.2 High

CVSS3

Дефекты

CWE-94