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XSS in client rendered block templates in rendr

High severity GitHub Reviewed Published Sep 1, 2020 to the GitHub Advisory Database • Updated Jan 9, 2023

Package

npm rendr (npm)

Affected versions

<= 1.1.3

Patched versions

1.1.4

Description

Affected versions of rendr are vulnerable to cross-site scripting when client side rendering is done inside a _block.

Server side rendering is not affected and is properly escaped.

Recommendation

Update to version 1.1.4 or later.

References

Reviewed Aug 31, 2020
Published to the GitHub Advisory Database Sep 1, 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

CVE-2016-1000230

GHSA ID

GHSA-v5hp-35hw-cw5x

Source code

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