CVE-2026-16261 | BDVDB-2026-354664 Detail

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.

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact high. Attack vector: network.

Weaknesses#

CWE-287 Improper Authentication

References#

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

Exploit#

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

History#

Version 12026-08-02Record published in the CVE List.
Version 22026-08-03Most recent update recorded in the CVE List.

Published

Published: 2026-08-02
Last modified: 2026-08-03

Vendor information

Vendor: Not stated
Product: login-social

Score

7.5 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 46.4.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Authentication Issues

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
<= 1.0.4
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

7.5 High

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	None
Integrity	None
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).