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Kleo vulnerabilities

3 tracked advisories · slug kleo

Important: Kleo appearing in this catalog does not mean your website is affected. Exposure depends on your installed version. How SiteRespond intelligence works

Tracked advisories

3

Latest advisory

30 October 2025

CISA KEV matches

0

In this WordPress feed

WordPress slug

kleo

Theme

What this means for Kleo

This catalog lists 3 known advisories affecting Kleo. The most recent was published on 30 October 2025. If you use this software, compare your installed version against the affected ranges on each advisory and update to a fixed release outside those ranges. SiteRespond Defence checks your actual installed version when the plugin is connected — listing here does not by itself mean your site is vulnerable.

Latest issues

  • Kleo < 5.5.0 - Authenticated (Contributor+) Local File Inclusion

    This advisory describes a other issue in the affected software. Review the source advisory and your installed version to assess exposure.

    Published 30 October 2025

  • KLEO < 5.4.4 - Missing Authorization

    This advisory describes a other issue in the affected software. Review the source advisory and your installed version to assess exposure.

    Published 29 April 2025

  • Kleo < 5.4.4 - Reflected Cross-Site Scripting

    May allow attackers to run scripts in visitors' browsers or hijack admin sessions.

    Published 19 December 2024

Vulnerability types

  • Cross-site scripting1

Authentication (inferred from titles)

  • Unauthenticated0
  • Authenticated1
  • Unspecified2

Advisory history

Known Kleo advisories published by month.

All advisories

Check whether your installed version is affected

SiteRespond Defence matches your installed Kleo version against this catalog when the Defence plugin is connected to your WordPress site.

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