CVE-2026-126564

See a problem?
Please try reporting it to the source first.

Source

https://cve.org/CVERecord?id=CVE-2026-126564

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-126564.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-126564

Aliases

GHSA-mc5x-2j7v-x8hp

Published

2026-11-11T02:35:59Z

Modified

2026-11-12T02:48:34Z

Severity

5.1 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N CVSS Calculator

Summary

Semantic MediaWiki 2.5.0 before 7.4.1 Stored XSS via Special:Browse Factbox Title

Details

Semantic MediaWiki 2.5.0 before 7.4.1 contains a stored cross-site scripting vulnerability in ValueFormatter::getFormattedSubject() that renders property label segments after a literal as unescaped markup. Users with page-edit rights can set a preferred property label containing an img onerror payload that executes when anyone, including administrators, views Special:Browse or the smwbrowse API.

Database specific

{
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
        "CWE-79"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/126xxx/CVE-2026-126564.json"
}

References

Affected packages

Git / github.com/semanticmediawiki/semanticmediawiki

Affected ranges

Type

GIT

Repo

https://github.com/semanticmediawiki/semanticmediawiki

Events

Introduced

dbbf3d1e465f95c912da2ef421db729ad90f993e

Fixed

bcc3cbf4884f0474232a68d3eff060f93a506379

Fixed

c9bf9f25549bb2f5eab916339b267a1732002c4c

Database specific

Show details

{
    "extracted_events": [
        {
            "range": [
                {
                    "introduced": "2.5.0"
                },
                {
                    "fixed": "7.4.1"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandardRange"
        },
        {
            "range": [
                {
                    "fixed": "c9bf9f25549bb2f5eab916339b267a1732002c4c"
                }
            ],
            "source": "REFERENCES_COMMIT"
        },
        {
            "original_tag": "7.4.1",
            "range": [
                {
                    "fixed": "bcc3cbf4884f0474232a68d3eff060f93a506379"
                }
            ],
            "source": "REFERENCES_TAG"
        }
    ]
}

Affected versions

2.*

2.5.0

3.*

3.0.0

3.0.0-rc.1

3.0.0-rc.2

3.1.0

3.1.0-rc.1

3.2.0

3.2.0-rc.1

3.2.0-rc.2

4.*

4.0.0

4.0.1

4.0.2

4.1.0

4.1.1

4.1.2

4.1.3

4.2.0

5.*

5.0.0

5.0.1

5.0.2

5.1.0

6.*

6.0.0

6.0.1

7.*

7.0.0

7.1.0

7.2.0

7.2.1

7.3.0

7.3.1

7.4.0

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-126564.json"