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CVE-2021-24751: The GenerateBlocks WordPress plugin before 1.4.0 does not validate the generateblocks/container block's tagName attribute, which could allow users with a role as low as contributor to perform Cross-Si

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

The GenerateBlocks WordPress plugin before 1.4.0 does not validate the generateblocks/container block's tagName attribute, which could allow users with a role as low as contributor to perform Cross-Si

Package
generateblocks (WordPress plugin) WordPress
Affected versions
<1.4.0
Fixed in
1.4.0
Severity
medium  CVSS 5.4
Exploitation
not on CISA KEV · EPSS 1% (49.8th percentile)
Published
2021-11-29
Source
nvd

References

CWE-79
NVD recordgenerateblocks (WordPress plugin) advisories

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