UpHeron
All vulnerabilities

WordPress plugins

CVE-2026-76579

LiteSpeed Cache: Cross-site Scripting

Severity
Medium 4.7
Published
2 Sept 2026
Added to UpHeron
21 Oct 2026
Fixed in
7.9.1
Also known as
WPV-d8e907c0d94f
Sources
WPVulnerability

Affected software

SoftwareAffected versions
LiteSpeed CacheWordPress plugins · wp-plugin:litespeed-cache
  • Every version before 7.9.1

References

  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-76579
  • Wordfence https://www.wordfence.com/threat-intel/vulnerabilities/wordpress-plugins/litespeed-cache/litespeed-cache-79-reflected-cross-site-scripting-via-esi-esi-parameter