Detections
Analytics
Joomla 3.0.x < 5.4.6 / 6.0.x < 6.1.1 Joomla 6.1.1 & 5.4.6 Security & Bugfix Release (5954-joomla-6-1-1-5-4-6-security-bugfix-release)
medium Nessus Plugin ID 316827
Synopsis
A PHP application running on the remote web server is affected by a vulnerability.Description
According to its self-reported version, the instance of Joomla! running on the remote web server is 3.0.x prior to 5.4.6 or 6.0.x prior to 6.1.1. It is, therefore, affected by a vulnerability.- Lack of input filtering leads to an XSS vector in the HTML filter code. (CVE-2026-48905)
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.
Solution
Upgrade to Joomla! version 5.4.6 / 6.1.1 or later.See Also
http://www.nessus.org/u?68d8fa4d
http://www.nessus.org/u?adabf728
http://www.nessus.org/u?9ad3550f
http://www.nessus.org/u?511051d1
http://www.nessus.org/u?4d67cbe7
http://www.nessus.org/u?68eb773f
http://www.nessus.org/u?96fa9f1d
http://www.nessus.org/u?67872695
http://www.nessus.org/u?5fcbdef2
http://www.nessus.org/u?fd8823e6
http://www.nessus.org/u?e93d28c0
http://www.nessus.org/u?ae4e3610
http://www.nessus.org/u?f467705a
http://www.nessus.org/u?15601b81
http://www.nessus.org/u?4397f9aa
http://www.nessus.org/u?f41fac5c
http://www.nessus.org/u?0f388f4a
http://www.nessus.org/u?fe2d9b95
http://www.nessus.org/u?c1f740df
Plugin Details
Severity: Medium
ID: 316827
File Name: joomla_611.nasl
Version: 1.1
Type: Remote
Family: CGI abuses
Published: 5/26/2026
Updated: 5/26/2026
Configuration: Enable paranoid mode, Enable thorough checks (optional)
Supported Sensors: Nessus
Enable CGI Scanning: true
Risk Information
VPR
Risk Factor: Low
Score: 3.8
CVSS v2
Risk Factor: Medium
Base Score: 4.3
Temporal Score: 3.2
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N
CVSS Score Source: CVE-2026-48905
CVSS v3
Risk Factor: Medium
Base Score: 6.1
Temporal Score: 5.3
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
CVSS v4
Risk Factor: Medium
Base Score: 6.9
Threat Score: 4.5
Threat Vector: CVSS:4.0/E:U
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N
Vulnerability Information
CPE: cpe:/a:joomla:joomla%5c%21
Required KB Items: www/PHP, Settings/ParanoidReport, installed_sw/Joomla!
Exploit Ease: No known exploits are available
Patch Publication Date: 5/26/2026
Vulnerability Publication Date: 5/26/2026
Reference Information
CVE: CVE-2026-48905