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Vulnerability record · CVE-2026-16261 · published 2 August 2026

CVE-2026-16261: Improper authentication vulnerability

The login-social WordPress plugin through 1.0.4 does not validate password-reset requests against a reset key or the requester's identity, and it issues authentication sessions from unverified third-party sign-in data, allowing unauthenticated attackers to reset any user's password or log in as any existing account, including administrators, and take over the site.

7.5 CVSS 3.1 High EPSS 0.55% · top 56.1% CWE-287 · Improper authentication Deferred
7.5CVSS 3.1 base score
0.55%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
26 Aug 2026Last modified by NVD

Description

The login-social WordPress plugin through 1.0.4 does not validate password-reset requests against a reset key or the requester's identity, and it issues authentication sessions from unverified third-party sign-in data, allowing unauthenticated attackers to reset any user's password or log in as any existing account, including administrators, and take over the site.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

LinkTags
https://wpscan.com/vulnerability/533f9347-e7cd-4a86-8cb5-f6d4aaaf4dd1/

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-16261), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.