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CVE-2026-111737

LOW 3.5 CVSS 3.1
Published
October 23, 2026
Last modified
October 23, 2026
NVD status
Deferred
Reported by
contact@wpscan.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N

Description

The Speed Optimizer WordPress plugin before 7.8.5 does not sanitise or escape some of its settings before outputting them in the head of front-end pages, which could allow high-privilege users such as admins to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in a multisite setup).

Affected WordPress components

  • Speed Optimizer – The All-In-One Performance-Boosting Plugin Plugin · sg-cachepress
    Confirmed match Active
    Before 7.8.5
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • Unknown Speed Optimizer — Before 7.8.5

References

  • wpscan.com https://wpscan.com/vulnerability/308b6173-139d-4940-869d-c9ff1e83c323/
  • nvd.nist.gov Official NVD record