CVE-2024-2729: The Otter Blocks WordPress plugin before 2.6.6 does not properly escape its mainHeadings blocks' attribute before appending it to the final rendered block, allowing contributors to conduct Stored XSS

medium Affects otter-blocks (WordPress plugin). Feed 2026.10.29.3, updated 2026-10-29; published 2024-04-18; advisory modified 2026-06-17.

The Otter Blocks WordPress plugin before 2.6.6 does not properly escape its mainHeadings blocks' attribute before appending it to the final rendered block, allowing contributors to conduct Stored XSS

Package: otter-blocks (WordPress plugin) WordPress
Affected versions: <2.6.6
Fixed in: 2.6.6
Severity: medium CVSS 6.1
Exploitation: not on CISA KEV · EPSS 0% (36.3th percentile)
Published: 2024-04-18
Source: nvd

References

CWE-79

NVD record otter-blocks (WordPress plugin) advisories

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