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osvGoogleOSV:GHSA-GRJP-4JMR-MJCW
HistorySep 27, 2022 - 12:00 a.m.

express-xss-sanitizer vulnerable to Prototype Pollution via allowedTags attribute

2022-09-2700:00:22
Google
osv.dev
8
express-xss-sanitizer
vulnerability
prototype pollution
bypass

CVSS3

7.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P

EPSS

0.001

Percentile

45.1%

The package express-xss-sanitizer before 1.1.3 is vulnerable to Prototype Pollution via the allowedTags attribute, allowing the attacker to bypass xss sanitization.

CVSS3

7.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P

EPSS

0.001

Percentile

45.1%

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