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Veracode Vulnerability DatabaseVERACODE:44926

HistoryJan 03, 2024 - 11:01 a.m.

Mutation Cross Site Scripting (mXSS)

2024-01-0311:01:20

Veracode Vulnerability Database

sca.analysiscenter.veracode.com

mutation cross site scripting

owasp antisamy

vulnerability

html parsing

malicious input

arbitrary javascript

attack.

CVSS3

6.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

AI Score

6.8

Confidence

High

EPSS

0.001

Percentile

19.7%

JSON

OWASP AntiSamy is vulnerable to Mutation Cross Site Scripting (mXSS). The vulnerability is due to improper parsing of HTML when the preserveComments directive is enabled in the policy. This issue can be exploited by an attacker by injecting malicious input to execute arbitrary JavaScript.

References

github.com/spassarop/antisamy-dotnet/commit/7e500daef6ad9c10e97c68feab78f4cb6e3083c6

github.com/spassarop/antisamy-dotnet/commit/8117911933e75a25cd0054ef017577486338444a

github.com/spassarop/antisamy-dotnet/security/advisories/GHSA-8x6f-956f-q43w

CVSS3

6.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

AI Score

6.8

Confidence

High

EPSS

0.001

Percentile

19.7%

JSON

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