semver-regex <= 3.1.3 and 4.0.0-4.0.3 - Regular Expression Denial of Service (ReDoS)

Inefficient Regular Expression Complexity
CVE CVE-2021-43307
CVSS High (7.5)
Publicly Published May 13, 2022
Last Updated January 22, 2024
Description

An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the semver-regex npm package, when an attacker is able to supply arbitrary input to the test() method. Some WordPress plugins and themes use this dependency though that doesn’t necessarily mean the plugin itself is vulnerable to exploitation.

References

1 affected software package

Software Type Plugin
Software Slug insert-special-characters (view on wordpress.org)
Patched? Yes
Affected Version
  • <= 1.0.4
Patched Version
  • 1.0.5
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