CVE-2026-21631

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Source
https://cve.org/CVERecord?id=CVE-2026-21631
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-21631.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-21631
Aliases
Published
2026-04-01T10:16:16Z
Modified
2026-10-24T10:30:15Z
Severity
  • 5.4 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N CVSS Calculator
Summary
[none]
Details

Lack of output escaping leads to a XSS vector in the multilingual associations component.

References

Affected packages

Git / github.com/joomla/joomla-cms

Affected ranges

Type
GIT
Repo
https://github.com/joomla/joomla-cms
Events
Introduced
c1acb7e6973bd549fe35a02659fe851ff1a37dfe
Fixed
47b48aeceae211ae8016cf1da2b821a0d0467f55
Introduced
0db7d502466ae41242ad761424f76378458fb819
Fixed
e7d45e19c77cc0fa3b9a70af48b05bb937a7f011
Database specific
Show details 
{
    "extracted_events":  [
        {
            "cpe":  "cpe:2.3:a:joomla:joomla\\!:*:*:*:*:*:*:*:*",
            "range":  [
                {
                    "introduced":  "3.0.0"
                },
                {
                    "fixed":  "5.4.4"
                }
            ],
            "source":  "CPE_RANGE"
        },
        {
            "cpe":  "cpe:2.3:a:joomla:joomla\\!:*:*:*:*:*:*:*:*",
            "range":  [
                {
                    "introduced":  "6.0.0"
                },
                {
                    "fixed":  "6.0.4"
                }
            ],
            "source":  "CPE_RANGE"
        }
    ]
}

Affected versions

3.*
3.0.0
3.0.1
3.0.3
3.1.0_beta1
3.1.0_beta2
3.1.0_beta3
3.1.0_beta4
3.1.0_beta5
3.1.1
3.1.5
3.2.0
3.2.0.alpha
3.2.0.beta
3.2.0.rc
3.2.1
3.2.2
3.2.3
3.2.4
3.3.0
3.4.0
3.4.0-beta1
3.4.0-beta2
3.4.0-beta3
3.4.0-rc
3.4.1
3.4.1-rc
3.4.1-rc2
3.4.2
3.4.2-rc
3.4.3
3.4.4
3.4.4-rc
3.4.4-rc2
3.4.5
3.5.0-beta
3.5.0-beta2
4.*
4.0.0-alpha1
4.0.0-alpha10
4.0.0-alpha11
4.0.0-alpha12
4.0.0-alpha2
4.0.0-alpha4
4.0.0-alpha5
4.0.0-alpha6
4.0.0-alpha7
4.0.0-alpha8
4.0.0-alpha9
4.0.0-beta
4.0.0-beta2
4.0.0-beta3
4.1.0-alpha1
4.1.0-alpha2
4.1.0-alpha3
4.1.0-beta1
4.1.0-beta2
4.1.0-beta3
4.1.0-rc1
4.2.0-alpha1
4.2.0-alpha2
4.2.0-alpha3
4.2.0-beta1
4.2.0-beta2
4.2.0-beta3
4.2.0-rc1
5.*
5.0.0-alpha1
5.0.0-alpha2
5.0.0-alpha3
5.0.0-alpha4
5.0.0-beta1
5.0.0-beta2
5.0.0-beta3
5.0.0-rc
5.1.0-alpha1
5.1.0-alpha2
5.1.0-alpha3
5.1.0-alpha4
5.2.0-alpha1
5.2.0-alpha3
5.2.0-beta1
5.3.0-alpha1
5.3.0-alpha2
5.3.0-alpha3
5.4.0
5.4.0-alpha1
5.4.0-alpha2
5.4.0-alpha3
5.4.0-beta1
5.4.0-beta2
5.4.0-beta3
5.4.0-rc1
5.4.1
5.4.1-rc1
5.4.1-rc2
5.4.2
5.4.2-rc1
5.4.3
5.4.3-rc1
6.*
6.0.0
6.0.1
6.0.1-rc1
6.0.1-rc2
6.0.2
6.0.2-rc1
6.0.3
6.0.3-rc1
Other
cypress
cypress-io
psr12anchor
psr12final

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-21631.json"