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githubGitHub Advisory DatabaseGHSA-7GFC-2V6G-6W9F
HistoryMay 17, 2022 - 5:45 a.m.

Paste is vulnerable to Cross-site Scripting via vectors involving a 404 status code

2022-05-1705:45:29
CWE-79
GitHub Advisory Database
github.com
5
cross-site scripting
xss
remote attack

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

AI Score

6

Confidence

High

EPSS

0.003

Percentile

69.9%

Multiple cross-site scripting (XSS) vulnerabilities in the paste.httpexceptions implementation in Paste before 1.7.4 allow remote attackers to inject arbitrary web script or HTML via vectors involving a 404 status code, related to (1) paste.urlparser.StaticURLParser, (2) paste.urlparser.PkgResourcesParser, (3) paste.urlmap.URLMap, and (4) HTTPNotFound.

Affected configurations

Vulners
Node
paste-markdown_projectpaste-markdownRange<1.7.4node.js

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

AI Score

6

Confidence

High

EPSS

0.003

Percentile

69.9%