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CVE-2024-4158: The Blocksy theme for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘tagName’ parameter in versions up to, and including, 2.0.42 due to insufficient input sanitization and output esca

medium Affects blocksy (WordPress theme). Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

The Blocksy theme for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘tagName’ parameter in versions up to, and including, 2.0.42 due to insufficient input sanitization and output esca

Package
blocksy (WordPress theme) WordPress
Affected versions
<2.0.43
Fixed in
2.0.43
Severity
medium  CVSS 6.4
Exploitation
not on CISA KEV · EPSS 0% (27.3th percentile)
Published
2024-05-14
Source
nvd

References

CWE-79
NVD recordblocksy (WordPress theme) advisories

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