WordPress plugin · hummingbird-performance
Is Hummingbird Performance safe?
Safe on 3.21.2 or newer.
The current version, 3.21.2, is past every affected range on record (8 of 8 records list one). Keep it updated and you’re clear of them.
- Flaws on record
- 8
- High or critical
- 4
- Exploited
- none
- Current version
- 3.21.2
- Last updated
- Sep 1, 2026
- Active installs
- 70,000+
Every recorded flaw
- Sep 5, 2026Hummingbird – Speed Optimization, Caching, Minify, Compress & CDN: Remote Code ExecutionCVE-2026-83627 · affects up to 3.21.0 · reported by Wordfence1.4% oddsCritical 9.8
- Sep 4, 2026Hummingbird Performance: Does not restrict a network-wide setting to network administratorsCVE-2026-19224 · fixed in 3.21.2 · reported by WPScanHigh 7.2
- Dec 18, 2025Hummingbird Performance: Sensitive Information ExposureCVE-2025-14437 · affects up to 3.18.0 · reported by Wordfence1.8% oddsHigh 7.5
- Nov 1, 2024Hummingbird: Missing AuthorizationCVE-2024-43118 · affects up to 3.9.1 · reported by PatchstackMedium 4.3
- Aug 26, 2024Hummingbird: Cross-Site Request Forgery (CSRF)CVE-2024-43117 · affects up to 3.9.1 · reported by PatchstackMedium 4.3
- Jun 9, 2024Hummingbird: Missing AuthorizationCVE-2024-32792 · affects up to 3.7.3 · reported by PatchstackMedium 4.3
- Apr 10, 2023Hummingbird: Does not validate the generated file path for page cache files before writing themCVE-2023-1478 · fixed in 3.4.2 · reported by WPScan1.1% oddsCritical 9.8
- Apr 18, 2022Hummingbird: Does not sanitise and escape the Config NameCVE-2022-0994 · fixed in 3.3.2 · reported by WPScan2.8% oddsMedium 4.8
Records come from the National Vulnerability Database, published by the researchers who found each flaw (Wordfence, Patchstack, WPScan and others); exploited status from CISA; exploit odds from FIRST’s EPSS; current version, installs and closures from wordpress.org, checked daily. Want every plugin on your site checked at once? Run the free website check.
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