CVE-2022-21169

2022-09-2605:15:10

CWE-1321

snyk

web.nvd.nist.gov

cve-2022-21169

express-xss-sanitizer

prototype pollution

allowedtags

xss

security vulnerability

nvd

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

AI Score

6.1

Confidence

High

EPSS

0.001

Percentile

45.1%

JSON

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

Affected configurations

Nvd

Node

express_xss_sanitizer_projectexpress_xss_sanitizerRange<1.1.3node.js

VendorProductVersionCPE
express_xss_sanitizer_projectexpress_xss_sanitizer*cpe:2.3:a:express_xss_sanitizer_project:express_xss_sanitizer:*:*:*:*:*:node.js:*:*

Vendor	Product	Version	CPE
express_xss_sanitizer_project	express_xss_sanitizer	*	cpe:2.3:a:express_xss_sanitizer_project:express_xss_sanitizer::::::node.js::*

CNA Affected

[
  {
    "product": "express-xss-sanitizer",
    "vendor": "n/a",
    "versions": [
      {
        "lessThan": "1.1.3",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]