CVE-2026-84829 - Vulnerability Details - OpenCVE

The Optimole WordPress plugin before 4.2.12 does not properly escape a user supplied value before using it to build an image tag attribute, allowing unauthenticated users to inject arbitrary attributes into pages served to every visitor, which leads to Stored Cross-Site Scripting.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

Vendors	Products
Optimole	Optimole
Wordpress	Wordpress

No data.

No data.

References

Link	Providers
https://wpscan.com/vulnerability/c8489eb1-e767-4b19-a7c0-124eab843d9e/

History

Thu, 17 Sep 2026 13:30:00 +0000

Type	Values Removed	Values Added
Metrics		cvssV3_1 `{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}` ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Wed, 16 Sep 2026 16:15:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-79

Wed, 16 Sep 2026 10:45:00 +0000

Type	Values Removed	Values Added
First Time appeared		Optimole Optimole optimole Wordpress Wordpress wordpress
Vendors & Products		Optimole Optimole optimole Wordpress Wordpress wordpress

Wed, 16 Sep 2026 06:15:00 +0000

Type	Values Removed	Values Added
Description		The Optimole WordPress plugin before 4.2.12 does not properly escape a user supplied value before using it to build an image tag attribute, allowing unauthenticated users to inject arbitrary attributes into pages served to every visitor, which leads to Stored Cross-Site Scripting.
Title		Optimole < 4.2.12 - Unauthenticated Stored XSS via Srcset Descriptor Parameter
References		https://wpscan.com/vulnerability/c8489eb1-e767-4b19-a7c0-124eab843d9e/

MITRE

Status: PUBLISHED

Assigner: WPScan

Published: 2026-09-16T06:00:13.192Z

Updated: 2026-09-17T12:37:38.650Z

Reserved: 2026-09-02T11:30:12.919Z

Link: CVE-2026-84829

Vulnrichment

Updated: 2026-09-17T12:19:26.246Z

NVD

Status : Deferred

Published: 2026-09-16T06:16:33.663

Modified: 2026-09-17T13:16:49.843

Link: CVE-2026-84829

Redhat

No data.

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