CVE-2026-30917

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Source
https://cve.org/CVERecord?id=CVE-2026-30917
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-30917.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-30917
Aliases
  • GHSA-8jrp-37wc-5v7c
Published
2026-03-09T22:50:20Z
Modified
2026-11-09T02:31:07Z
Severity
  • 8.8 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:L/SI:L/SA:L CVSS Calculator
Summary
Stored XSS on Bucket namespace pages
Details

Bucket is a MediaWiki extension to store and retrieve structured data on articles. Prior to 2.1.1, a stored XSS can be inserted into any Bucket table field that has a PAGE type, which will execute whenever a user views that table's corresponding Bucket namespace page. This vulnerability is fixed in 2.1.1.

Database specific 
{
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-79"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/30xxx/CVE-2026-30917.json",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "range": [
                        {
                            "fixed": "2.1.1"
                        }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StringRangeExpression"
                }
            ]
        },
        {
            "extracted_events": [
                {
                    "range": [
                        {
                            "fixed": "2.1.1"
                        },
                        {
                            "fixed": "2.1.1"
                        }
                    ],
                    "source": "DESCRIPTION"
                }
            ]
        }
    ]
}
References

Affected packages

Git / github.com/weirdgloop/mediawiki-extensions-bucket

Affected ranges

Type
GIT
Repo
https://github.com/weirdgloop/mediawiki-extensions-bucket
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
46ec08876ba9064987f20e8f42690854202a73ff
Fixed
cba9cf9c8751e9f3e6d559f44cadc39b84f7bff6
Database specific
Show details 
{
    "extracted_events": [
        {
            "range": [
                {
                    "fixed": "46ec08876ba9064987f20e8f42690854202a73ff"
                }
            ],
            "source": "REFERENCES_COMMIT"
        },
        {
            "range": [
                {
                    "fixed": "cba9cf9c8751e9f3e6d559f44cadc39b84f7bff6"
                }
            ],
            "source": "REFERENCES_COMMIT"
        }
    ]
}

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-30917.json"