CVE-2026-88993CWE-79cross-site-scripting

CVE-2026-88993

Medium · published September 18, 2026

CVSS v3.1
6.8
EPSS
0%
Percentile
36.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.8 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00431 · 36.3th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-09-18T10:16Z
References (1)
https://wpscan.com/vulnerability/fc1f2f62-62cd-4a70-b541-2278eb0edefe/ · [email protected]
EPSS history
Timeline
  • 19 SEP 03:54Z
    EPSS moved — → 0%
    epss
  • 18 SEP 06:00Z
    All Bootstrap Blocks <= 1.3.31 - Contributor+ Stored XSS via areoi/button type Attribute
    cvelistv5