CVE-2026-88993
Medium
Description
The All Bootstrap Blocks WordPress plugin through 1.3.31 does not properly escape a block attribute before outputting it in HTML tag-name position, allowing users with Contributor-level access and above to inject arbitrary web scripts that execute when the affected content is viewed.
SeverityMedium
CVSS6.8
Exploit probability—
ProductAll Bootstrap Blocks
PublishedSep 18, 2026
First seenSep 18, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| All Bootstrap Blocks | v ≤ 1.3.31 | — |
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