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7.5 High

CVE-2026-15206 The SMS Alert WordPress plugin before 3.9.8 does not bind its "mobile verified" session flag to the phone number that…

Description

The SMS Alert WordPress plugin before 3.9.8 does not bind its "mobile verified" session flag to the phone number that was actually verified: after an attacker verifies an OTP sent to their own phone, the signup/login handler reads a fresh, attacker-supplied phone number to select the account and logs them in. An unauthenticated attacker can therefore log in as any user, including an administrator, who has a billing phone on file.

Affected products and versions

Product Affected versions Fixed in
SMS Alert 3.9 earliest → < 3.9.8 3.9.8

Other CVEs of SMS Alert

The 4 CVEs of SMS Alert →
CVE-2026-94257 SMS Alert 3.9.6 - 4.0.2 - Unauthenticated Privilege Escalation via Arbitrary Password Reset 8.1 High CVE-2026-94256 The SMS Alert WordPress plugin before 4.0.1 does not verify that the account being logged in is the one the verified… 8.1 High CVE-2026-94258 The SMS Alert WordPress plugin before 4.0.1 does not check that the acting administrator is allowed to manage the… 2.7 Low
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