High severity · published Oct 10, 2026
CVE-2026-94256
SMS Alert 4.0.0 - Unauthenticated Authentication Bypass via Login with OTP
8.1
CVSS
0.2%
EPSS
No
On KEV
Description
The SMS Alert WordPress plugin before 4.0.1 does not verify that the account being logged in is the one the verified one-time code belongs to, allowing unauthenticated attackers to sign in as any user with a stored phone number, including an administrator, by completing a code challenge on a phone they control.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 13% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SA
SMS Alert ·
4.0.0 before 4.0.1 · source: vendor
Affected product
SA
SMS Alert
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