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CVE-2026-73373: joomla! from 1.0.0 (inclusive), before 5.4.8 (exclusive), from 6.0.0 (inclusive), before 6.1.3 (exclusive); +2 more…
CVE-2026-73373. CVSS 3.1 base score 9.8 (CRITICAL, NVD). EPSS 0.00649 (percentile 0.50386), scored 21-Oct-2026.
Affected technology
joomla! · from 1.0.0 (inclusive), before 5.4.8 (exclusive)
joomla
joomla! · from 6.0.0 (inclusive), before 6.1.3 (exclusive)
joomla
Joomla! CMS · 1.0.0-5.4.6, 6.0.0-6.1.2
Joomla! Project
Joomla! Framework Filesystem package · 1.0.0-3.3.0, 4.0.0-4.2.0
Joomla! Project
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · High privileges required · No user interaction required
What an attacker can do
Vendor/CNA’s CVSS 4.0 assessment (base score 8.9/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.
- CWE
- CWE-434
- CCR priority
- 39.4 /100 (P4)
- CVSS 3.1
- 9.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · NVD
- EPSS
- 0.00649 · percentile 0.5043 · 2026-10-22
- KEV
- no
Provenance
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-23 06:11:59.600832+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-23 06:11:01.814928+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-73373.html