Use After Free Affecting wpewebkit package, versions <2.30.3-1


Severity

Recommended
0.0
high
0
10

Snyk's Security Team recommends NVD's CVSS assessment. Learn more

Threat Intelligence

EPSS
3.27% (87th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-ECHOLATEST-WPEWEBKIT-18016979
  • published19 Jul 2026
  • disclosed3 Dec 2020

Introduced: 3 Dec 2020

CVE-2020-13543  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Echo:latest wpewebkit to version 2.30.3-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream wpewebkit package and not the wpewebkit package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

A code execution vulnerability exists in the WebSocket functionality of Webkit WebKitGTK 2.30.0. A specially crafted web page can trigger a use-after-free vulnerability which can lead to remote code execution. An attacker can get a user to visit a webpage to trigger this vulnerability.

CVSS Base Scores

version 3.1