CVE-2026-78333CWE-79cross-site-scripting

CVE-2026-78333

High · published August 27, 2026

CVSS v3.1
8.8
EPSS
1%
Percentile
42.2
In the wild
Unconfirmed
What it is

The 12 Step Meeting List WordPress plugin before 3.19.17 does not sanitise and escape a value submitted by unauthenticated users before storing it in its activity log and outputting it back in an admin area page, leading to a Stored Cross-Site Scripting issue which could be used against high privilege users such as admin.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00505 · 42.2th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-08-27T10:17Z
References (1)
https://wpscan.com/vulnerability/27de9242-d60e-42e8-a3a5-e355bfc00393/ · [email protected]
EPSS history
Timeline
  • 28 AUG 06:53Z
    EPSS moved — → 0%
    epss
  • 27 AUG 06:00Z
    12 Step Meeting List 3.17 - 3.19.16 - Unauthenticated Stored XSS via Geocode Event Log
    cvelistv5