CVE-2026-88993mediumCWE-79

CVE-2026-88993: medium-severity vulnerability in All Bootstrap Blocks

All Bootstrap Blocks <= 1.3.31 - Contributor+ Stored XSS via areoi/button type Attribute

Published

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33Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 6.8epss 0.4%
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.
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
Affected products
Unknown · All Bootstrap Blocks
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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CVE-2026-88994MEDIUMAll Bootstrap Blocks 1.3.20 - 1.3.31 - Contributor+ LFI via lightspeed Block AttributesEPSS 0.4%