CVE-2026-78333
High
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.
SeverityHigh
CVSS8.8
Exploit probability—
Product12 Step Meeting List
PublishedAug 27, 2026
First seenAug 27, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- 12 Step Meeting List3.19.17 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| 12 Step Meeting List | 3.17 ≤ v < 3.19.17 | 3.19.17 |
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