EUVD-2026-51920
GHSA-qwc9-q2f8-q72q
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Remote, no auth (nonce publicly exposed) and no interaction to forge an unsigned token, yielding full admin takeover, so PR:N/UI:N with C/I/A all High.
Primary rating from NVD.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionNVD
The WooCommerce - Social Login plugin for WordPress is vulnerable to Authentication Bypass in all versions up to and including 2.8.7. This is due to the plugin's Apple login handler accepting the Apple id_token and decoding only its base64 payload without verifying the JWT signature against Apple's public keys or validating the issuer, audience, or expiry claims, combined with the security nonce required to invoke the login flow being publicly exposed to unauthenticated users via a localized JavaScript object on the login page. This makes it possible for unauthenticated attackers to log in as any existing WordPress user - including administrators - by supplying a forged id_token whose payload contains the target user's email address, as that email is used without any role exclusion to resolve a WordPress account and immediately issue an authenticated session for it.
AnalysisAI
Authentication bypass in the WooCommerce - Social Login plugin for WordPress (all versions up to and including 2.8.7) lets unauthenticated attackers log in as any existing user, including administrators, by forging an Apple id_token containing the victim's email address. The Apple login handler base64-decodes the JWT payload but never verifies the token signature against Apple's public keys nor validates the issuer, audience, or expiry claims, and the nonce needed to trigger the flow is publicly leaked to anonymous visitors. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires that the WooCommerce - Social Login plugin (version 2.8.7 or earlier) is installed and its 'Sign in with Apple' login handler is enabled/reachable, and that the attacker knows or can guess a valid registered email address for the target account (administrator emails are frequently discoverable). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a genuine top-priority issue, not a high-CVSS-but-low-risk case. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker loads the target store's login page, scrapes the publicly exposed social-login nonce from the localized JavaScript object, and crafts an Apple id_token whose base64 payload contains the administrator's email address. They submit this forged, unsigned token to the plugin's Apple login handler, which decodes the email, matches it to the admin account without checking the JWT signature or claims, and issues a valid authenticated session - granting full administrator control. … |
| Remediation | No vendor-released patch version is identified in the available data (all versions through 2.8.7 are listed as vulnerable and no fixed release is named), so monitor the CodeCanyon listing and the Wordfence advisory for an update beyond 2.8.7 and apply it immediately once published. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify all WordPress installations running WooCommerce - Social Login plugin and determine which are using Apple login authentication. …
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Same weakness CWE-289 – Authentication Bypass by Alternate Name
View allSame technique Authentication Bypass
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External POC / Exploit Code
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