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Vulnerability record · CVE-2026-78333 · published 27 August 2026

CVE-2026-78333: Cross-site scripting vulnerability

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.

8.8 CVSS 3.1 High EPSS 0.51% · top 59.3% CWE-79 · Cross-site scripting Deferred
8.8CVSS 3.1 base score
0.51%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
28 Aug 2026Last modified by NVD

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.

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

References

LinkTags
https://wpscan.com/vulnerability/27de9242-d60e-42e8-a3a5-e355bfc00393/

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Source: NIST National Vulnerability Database (record CVE-2026-78333), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.