PT-2026-140340
CVE-2026-121763
·
Published
2026-11-07
·
Updated
2026-11-09
Description by
CVSS 3.1
6.5
MediumMetricsAV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Name of the Vulnerable Software and Affected Versions
WPMU DEV Hummingbird versions prior to 3.21.3
Description
Stored Cross-Site Scripting occurs due to insufficient input sanitization and output escaping. Authenticated attackers with subscriber-level access and above can inject arbitrary web scripts into pages, which execute when a user accesses the affected page.
Recommendations
Update to a version newer than 3.21.2.
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