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CVE-2021-35043

Good to know:

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Date: July 19, 2021

OWASP AntiSamy before 1.6.4 allows XSS via HTML attributes when using the HTML output serializer (XHTML is not affected). This was demonstrated by a javascript: URL with &#00058 as the replacement for the : character.

Language: Java

Severity Score

Related Resources (9)

https://www.oracle.com/security-alerts/cpujan2022.html
https://nvd.nist.gov/vuln/detail/CVE-2021-35043
https://github.com/nahsra/antisamy/pull/87
https://www.oracle.com/security-alerts/cpuapr2022.html
https://www.oracle.com/security-alerts/cpujul2022.html
https://github.com/nahsra/antisamy/releases/tag/v1.6.4
https://github.com/nahsra/antisamy
https://www.oracle.com/security-alerts/cpuoct2021.html
https://www.mend.io/vulnerability-database/CVE-2021-35043

Severity Score

Weakness Type (CWE)

Cross-Site Scripting (XSS)

CWE-79

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CVSS v3.1

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

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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