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WordPress plugins

CVE-2026-121763

WordPress Hummingbird plugin <= 3.21.2 - Cross Site Scripting (XSS) vulnerability

Severity
Medium 6.5
Published
9 Nov 2026
Last changed
9 Nov 2026
Added to UpHeron
9 Nov 2026
Sources
CVE Program

Affected software

SoftwareAffected versions
Hummingbird Performance (WordPress plugin)WordPress plugins · wp-plugin:hummingbird-performance
  • Every version up to 3.21.2

References

  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-121763