CVE-2026-88993

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

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.

Affected

All Bootstrap Blocks

CVSS v3.1 CNA

6.8 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

EPSS

0.43% chance of exploitation in the next 30 days, 36th percentile

Published

2026-09-18

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/fc1f2f62-62cd-4a70-b541-2278eb0edefe/

References

• CVE Record
• NVD entry