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Cross-Site Scripting in htmr

High severity GitHub Reviewed Published Sep 3, 2020 to the GitHub Advisory Database • Updated Jan 9, 2023

Package

npm htmr (npm)

Affected versions

< 0.8.7

Patched versions

0.8.7

Description

Versions of htmr prior to 0.8.7 are vulnerable to Cross-Site Scripting (XSS). The package uses innerHTML to unescape HTML entities. This may lead to DOM-based XSS through HTML-encoded XSS payloads. This may allow an attacker to execute arbitrary JavaScript in a victim's browser.

Recommendation

Upgrade to version 0.8.7 or later.

References

Reviewed Aug 31, 2020
Published to the GitHub Advisory Database Sep 3, 2020
Last updated Jan 9, 2023

Severity

High

EPSS score

Weaknesses

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Learn more on MITRE.

CVE ID

No known CVE

GHSA ID

GHSA-f8rq-m28h-8hxj

Source code

No known source code
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