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WS-2018-0046

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Date: September 5, 2017

Cross-Site Scripting (XSS) in TYPO3 8.0.x before 8.7.5. Failing to properly encode user input, backend forms are vulnerable to Cross-Site Scripting. A valid backend user account is needed to exploit this vulnerability.

Language: PHP

Severity Score

Severity Score

Weakness Type (CWE)

Code

CWE-17

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CWE-79

Top Fix

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Upgrade Version

Upgrade to version typo3/cms - 8.7.4;typo3/cms - TYPO3_8-7-3;typo3/cms - 8.7.5;typo3/cms - dev-TYPO3_8-7;typo3/cms - 8.7.2;typo3/cms - 8.6.1;instituteweb/typo3-cms - 8.7.5

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): LOW
Availability (A): NONE

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