Vulnerability library
Security checkApril 25, 2024

MediaElement Vulnerable to Reflected XSS

Understand the exposure, see the recommended fix, and check whether your own website has related weaknesses.

Medium severitynpmmediaelement

Check your website

Find this and other vulnerabilities with a free scan.

Your scan runs on your computer. No account required.

Description

Cross-site scripting (XSS) vulnerability in flash/FlashMediaElement.swf in MediaElement.js before 2.21.0, as used in WordPress before 4.5.2, allows remote attackers to inject arbitrary web script or HTML via an obfuscated form of the jsinitfunction parameter, as demonstrated by “jsinitfunctio%gn.

Recommendation

Update the mediaelement package to the latest compatible version. Followings are version details:

  • Affected version(s): < 2.11.1
  • Patched version(s): 2.11.1

References

Could your website be exposed too?

SmartScanner can check your website for MediaElement Vulnerable to Reflected XSS and gives you actionable findings to investigate.

Start a free scan

Related Issues

See something that needs correcting? Let us knowUpdated April 25, 2024