23 Oct 2026 15:48:27 UTC
The Post Grid < 7.9.5 - Contributor+ Stored HTML/iframe Injection via wp_kses_post Allow-List Widening
cve-program · CVE-2026-84151 · Published
CVE-2026-84151
The Post Grid < 7.9.5 - Contributor+ Stored HTML/iframe Injection via wp_kses_post Allow-List Widening
cve-program · severity unknownCVSS unknownCheck source for fixed versionsKEV status unknown
cve-program · CVE-2026-84151
PublishedThe Post Grid WordPress plugin before 7.9.5 does not limit an expansion of the WordPress allowed-HTML list to its own markup and applies it site-wide, allowing users with the Contributor role and above to store iframe, style and input elements that are normally stripped from their content, leading to HTML injection (phishing frames, CSS defacement and spoofed input forms) that renders to any visitor and to administrators reviewing the content.
Read the publisher's advisoryAffected versions, risk and source history
Exploitation and risk
Source statusCISA KEV lists vulnerabilities known to be exploited. FIRST EPSS estimates the likelihood of exploitation in the next 30 days. An unavailable score does not mean zero risk.
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Risk history
Compare earlier KEV listings and daily EPSS scores. Advisory wording and affected versions have a separate history.
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Advisory history
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