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.
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Fixes

Solution

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Workaround

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History

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

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cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

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

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

Link: CVE-2026-84829

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

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

Modified: 2026-09-16T06:16:33.663

Link: CVE-2026-84829

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses

No weakness.