CVE-2026-66640 - Vulnerability Details - OpenCVE

Contributor Cross Site Scripting (XSS) in Login With Ajax <= 4.5.1 versions.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Marcus (aka @msykes)

Login With Ajax

unaffected

Version	Status	Constraints
`n/a`	affected	≤ 4.5.1

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://patchstack.com/database/wordpress/plugin/login-with-ajax/vulnerability/wordpress-login-with-ajax-plugin-4-5-1-cross-site-scripting-xss-vulnerability?_s_id=cve

History

Tue, 18 Aug 2026 20:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Tue, 18 Aug 2026 14:30:00 +0000

Type	Values Removed	Values Added
Description		Contributor Cross Site Scripting (XSS) in Login With Ajax <= 4.5.1 versions.
Title		WordPress Login With Ajax plugin <= 4.5.1 - Cross Site Scripting (XSS) vulnerability
Weaknesses		CWE-79
References		https://patchstack.com/database/wordpress/plugin/login-with-ajax/vulnerability/wordpress-login-with-ajax-plugin-4-5-1-cross-site-scripting-xss-vulnerability?_s_id=cve
Metrics		cvssV3_1 `{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: Patchstack

Published: 2026-08-18T13:59:47.233Z

Updated: 2026-08-18T19:48:22.715Z

Reserved: 2026-07-27T14:00:34.306Z

Link: CVE-2026-66640

Vulnrichment

Updated: 2026-08-18T19:40:04.715Z

NVD

Status : Received

Published: 2026-08-18T15:16:58.763

Modified: 2026-08-18T20:17:21.470

Link: CVE-2026-66640

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-08-18T17:15:04Z

Weaknesses

CWE-79

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