XSS in enshrined/svg-sanitize due to mishandled script and data values in attributes · CVE-2019-18857 · GitHub Advisory Database · GitHub

XSS in enshrined/svg-sanitize due to mishandled script and data values in attributes

High severity GitHub Reviewed Published Jan 8, 2020 to the GitHub Advisory Database • Updated Jan 9, 2023

Package

enshrined/svg-sanitize (Composer)

Affected versions

< 0.12.0

Patched versions

0.12.0

Description

enshrined/svg-sanitize before 0.12.0 mishandles script and data values in attributes, as demonstrated by unexpected whitespace such as in the javascript :alert substring.

References

Reviewed Jan 8, 2020

Published to the GitHub Advisory Database Jan 8, 2020

Last updated Jan 9, 2023

Severity

High

7.5

/ 10

CVSS base metrics

Attack vector

Network

Attack complexity

Low

Privileges required

None

User interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

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