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UM
Product
Ultimate Multisite
by · last CVE Oct 14, 2026
2
CVEs
0
On KEV
9.8
Max CVSS
2
New 30D
Vulnerabilities2In the news0Timeline
Severity mix
Critical 1High 1Medium 0Low 0
Severity
All severities2Critical1High1Medium0Low0
Exploitation
On CISA KEV0Exploited in the wild0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-103646
9.8
0%
Oct 8
Ultimate Multisite < 2.17.0 - Unauthenticated Authentication Bypass via 'email_address' Parameter
Affected: before 2.17.0
CVE-2026-107508
8.6
1%
Oct 14
Ultimate Multisite < 2.17.2 - Unauthenticated LFI via 'attributes' Parameter
Affected: before 2.17.2
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