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Simple Ajax Chat

Simple Ajax Chat adds a lightweight AJAX-powered chat room for real-time visitor conversations within WordPress websites.

Simple Ajax Chat (simple-ajax-chat) is a WordPress plugin with 9 published CVE records in this archive. The latest tracked vulnerability was published Sep 11, 2026; the highest published CVSS base score is 8.8.

Plugin slug: simple-ajax-chat

CVE-2026-81825: Simple Ajax Chat – Add a Fast, Secure Chat Box: Cross-site scripting

Simple Ajax Chat – Add a Fast, Secure Chat Box is affected by cross-site scripting. The vulnerable path is reachable without authentication. Injected script can execute in the affected site's origin when the vulnerable output is viewed. The published affected range is <= 20260811.

PublishedSep 11, 2026
Safe version guidanceSee mitigation notes
Published vulnerabilities for simple-ajax-chat
Safe version
Sep 11, 2026 CVE-2026-81825
Simple Ajax Chat – Add a Fast, Secure Chat Box: Cross-site scripting
Simple Ajax Chat – Add a Fast, Secure Chat Box is affected by cross-site scripting. The vulnerable path is reachable without authentication. Injected script can execute in the affected site's origin when the vulnerable output is viewed. The published affected range is <= 20260811.
See mitigation notes
CVE7.2
NVDPending
Sep 02, 2026 CVE-2026-81807
Simple Ajax Chat permits unauthenticated stored cross-site scripting
Simple Ajax Chat before 20260827 renders chat messages without adequate escaping. An unauthenticated visitor can inject HTML attributes and script that executes in the browser of anyone viewing the chat, including an administrator.
20260827
CVE8.8
NVDPending
Mar 12, 2026 CVE-2026-2987
Simple Ajax Chat: Cross-site scripting
Simple Ajax Chat is affected by cross-site scripting. The vulnerable path is reachable without authentication. Injected script can execute in the affected site's origin when the vulnerable output is viewed.
See mitigation notes
CVE6.1
NVDPending
Feb 23, 2026 CVE-2026-3075
Simple Ajax Chat: A security weakness
Simple Ajax Chat is affected by a security weakness. Exposure depends on how the affected operation is made reachable by the site. The resulting impact depends on how the affected component exposes the vulnerable operation.
See mitigation notes
CVE5.3
NVDPending
Jun 04, 2024 CVE-2024-2470
Simple Ajax Chat: Cross-site scripting
Simple Ajax Chat is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed.
See mitigation notes
CVE5.4
NVDPending
Mar 20, 2024 CVE-2024-1983
Simple Ajax Chat: A security weakness
Simple Ajax Chat is affected by a security weakness. Exposure depends on how the affected operation is made reachable by the site. The resulting impact depends on how the affected component exposes the vulnerable operation.
See mitigation notes
CVE7.1
NVDPending
Apr 15, 2022 CVE-2022-27850
Simple Ajax Chat: Cross-site request forgery
Simple Ajax Chat is affected by cross-site request forgery. Exposure depends on how the affected operation is made reachable by the site. Exploitation relies on a signed-in privileged user submitting an attacker-controlled request.
See mitigation notes
CVE5.4
NVD4.3
Apr 15, 2022 CVE-2022-27849
Simple Ajax Chat: Sensitive information exposure
Simple Ajax Chat is affected by sensitive information exposure. Exposure depends on how the affected operation is made reachable by the site. Successful exploitation can disclose data that should not be available to the caller.
See mitigation notes
CVE5.3
NVD7.5
Mar 25, 2022 CVE-2022-25610
Simple Ajax Chat: Cross-site scripting
Simple Ajax Chat is affected by cross-site scripting. The vulnerable path is reachable without authentication. Injected script can execute in the affected site's origin when the vulnerable output is viewed.
See mitigation notes
CVE3.4
NVD6.1