What is CVE-2026-115451?

CVE-2026-115451 is a medium-severity vulnerability in Tassos.gr Advanced Custom Fields Extension For Joomla, classified under Improper Access Control. CVSS score: 6.5/10. Published 2026-11-05.

How severe is CVE-2026-115451?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Tassos.gr Advanced Custom Fields Extension For Joomla

CVE-2026-115451

Joomla Extension - tassos.gr - File deletion through improper access control in Advanced Custom Fields extension 2.8.13-2.8.15, 3.1.4-3.1.8 and Smile Pack 1.2.7-1.2.9, 2.1.2-2.1.6 - Anyone could delete images in the Gallery folders, including images on published articles and modules, without logging in. In ACF 3.1.7 and 3.1.8, users could also see, remove or save each other’s unsaved uploads.

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

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

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 2.8.13-2.8.15, 3.1.4-3.1.8
Tassos.gr Smile Pack Extension For Joomla — versions 1.2.7-1.2.9, 2.1.2-2.1.6

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

www.tassos.gr/ (product)

Frequently asked questions

What is CVE-2026-115451?: CVE-2026-115451 is a medium-severity vulnerability in Tassos.gr Advanced Custom Fields Extension For Joomla, classified under Improper Access Control. CVSS score: 6.5/10. Published 2026-11-05.
How severe is CVE-2026-115451?: Medium severity. CVSS v3 base score is 6.5 out of 10.