http-cache-semantics < 4.1.1 - Regular Expression Denial of Service (ReDoS)

Inefficient Regular Expression Complexity
CVE CVE-2022-25881
CVSS 5.3 (Medium)
Publicly Published February 23, 2023
Last Updated February 23, 2023


The package http-cache-semantics is vulnerable to Regular Expression Denial of Service (ReDoS) in versions before 4.1.1 via the cache-control HTTP header. WordPress plugins and themes may be using this package, however, they may not be vulnerable to exploitation.



1 affected software package

Software Type Plugin
Software Slug simple-local-avatars (view on
Patched? Yes
Remediation Update to version 2.7.4, or a newer patched version
Affected Version
  • <= 2.7.3
Patched Version
  • 2.7.4

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