WordPress 1 vulnerability

Is the HashBar – WordPress Notification Bar plugin safe?

Below are the known, publicly disclosed vulnerabilities of the HashBar – WordPress Notification Bar (WordPress) component. If you use it on your site, check the version and update it before the flaw gets exploited.

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Known vulnerabilities

Wysoka · CVSS 8.8 CVE-2026-66602 August 18, 2026

HashBar – WordPress Notification Bar: CSRF (fałszowanie żądań)

CSRF (fałszowanie żądań) w komponencie HashBar – WordPress Notification Bar. Ocena zagrożenia: Wysoka (CVSS 8.8). Zaktualizuj podatny komponent do najnowszej wersji lub tymczasowo go wyłącz.

Details and what to do → Source (NVD) ↗

How to check whether this affects you

  • Check the installed version of the HashBar – WordPress Notification Bar component in the admin panel.
  • Compare it with the fixed version noted in the details of the relevant vulnerability above.
  • If your version is older, update the component to the latest available.
  • If a fix has not been released yet, temporarily disable the vulnerable element and watch your logs.
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