CVE-2026-78333

12 Step Meeting List 3.17 - 3.19.16 - Unauthenticated Stored XSS via Geocode Event Log

HIGH
8.8
CVSS Score
Published: August 27, 2026 at 06:00 AM UTC
Updated: August 28, 2026 at 07:02 PM UTC
1 product affected across 1 vendor12 Step Meeting List

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Severity
HIGH8.8
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

3.17 ≤ v < 3.19.173.17
Affected range stops below 3.19.17, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-79

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