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CVE-2021-24659: The PostX – Gutenberg Blocks for Post Grid WordPress plugin before 2.4.10 allows users with a role as low as Contributor to perform Stored Cross-Site Scripting attacks via the plugin's block.

medium Affects postx---gutenberg-blocks-for-post-grid (WordPress plugin). Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

The PostX – Gutenberg Blocks for Post Grid WordPress plugin before 2.4.10 allows users with a role as low as Contributor to perform Stored Cross-Site Scripting attacks via the plugin's block.

Package
postx---gutenberg-blocks-for-post-grid (WordPress plugin) WordPress
Affected versions
<2.4.10
Fixed in
2.4.10
Severity
medium  CVSS 5.4
Exploitation
not on CISA KEV · EPSS 1% (45.7th percentile)
Published
2021-09-27
Source
nvd

References

CWE-79
NVD recordpostx---gutenberg-blocks-for-post-grid (WordPress plugin) advisories

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