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Vendor Solution
Update the WordPress Hummingbird plugin to the latest available version (at least 4.0.0).
Tracking
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Mon, 09 Nov 2026 10:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WPMU DEV Hummingbird hummingbird-performance allows Stored XSS.This issue affects Hummingbird: from n/a through 3.21.2. | |
| Title | WordPress Hummingbird plugin <= 3.21.2 - Cross Site Scripting (XSS) vulnerability | |
| Weaknesses | CWE-79 | |
| References |
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| Metrics |
cvssV3_1
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Subscriptions
No data.
Status: PUBLISHED
Assigner: Patchstack
Published:
Updated: 2026-11-09T15:30:03.667Z
Reserved: 2026-11-04T00:24:30.153Z
Link: CVE-2026-121763
No data.
Status : Deferred
Published: 2026-11-09T10:17:07.240
Modified: 2026-11-09T16:17:30.943
Link: CVE-2026-121763
No data.
OpenCVE Enrichment
Updated: 2026-11-09T11:30:10Z
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CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')