Description
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.
References (4)
Scores
CVSS v3
7.3
EPSS
0.0050
EPSS Percentile
66.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-1321
Status
published
Products (2)
express_xss_sanitizer_project/express_xss_sanitizer
< 1.1.3
npm/express-xss-sanitizer
0 - 1.1.3npm
Published
Sep 26, 2022
Tracked Since
Feb 18, 2026