What is CVE-2026-115452?

CVE-2026-115452 is a medium-severity vulnerability in Tassos.gr Advanced Custom Fields Extension For Joomla, classified under Cross-site Scripting. CVSS score: 6.7/10. Published 2026-11-05.

How severe is CVE-2026-115452?

Medium severity. CVSS v3 base score is 6.7 out of 10.

XSS in Tassos.gr Advanced Custom Fields Extension For Joomla

CVE-2026-115452

Joomla Extension - tassos.gr - Privileged stored XSS in Advanced Custom Fields 2.8.2-2.8.15, 3.0.0-3.1.8 and Smile Pack 1.1.2-1.2.9, 2.0.0-2.1.6 - A user who could edit a Map marker label, like an article author, could add a script that ran for anyone who opened the marker.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-11-05 · last modified 2026-11-06.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Tassos.gr Advanced Custom Fields Extension For Joomla — versions 2.8.2-2.8.15, 3.0.0-3.1.8
Tassos.gr Smile Pack Extension For Joomla — versions 1.1.2-1.2.9, 2.0.0-2.1.6

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.tassos.gr/ (product)

Frequently asked questions

What is CVE-2026-115452?: CVE-2026-115452 is a medium-severity vulnerability in Tassos.gr Advanced Custom Fields Extension For Joomla, classified under Cross-site Scripting. CVSS score: 6.7/10. Published 2026-11-05.
How severe is CVE-2026-115452?: Medium severity. CVSS v3 base score is 6.7 out of 10.