Auth bypass in Wp Social Media Login

CVE-2026-77000

The WP Social Media Login WordPress plugin through 1.0.6 does not verify that a social login was actually completed with the identity provider before authenticating a visitor, allowing unauthenticated attackers to log in as any existing user, including administrators, by supplying that user's email address.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (40.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 40.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-77000: held from 0.003 to 0.005.

EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.002

Affected products

  • Wp Social Media Login

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-77000?
CVE-2026-77000 is a critical-severity vulnerability in Wp Social Media Login, classified under Improper Authentication. CVSS score: 9.8/10. Published 2026-08-22.
How severe is CVE-2026-77000?
Critical severity. CVSS v3 base score is 9.8 out of 10.