CVE-2026-126563
- Source
- https://cve.org/CVERecord?id=CVE-2026-126563
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-126563.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-126563
- Aliases
-
- GHSA-h252-mj7p-58q7
- Published
- 2026-11-11T02:35:59Z
- Modified
- 2026-11-12T02:48:34Z
- Severity
-
- 5.3 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N CVSS Calculator
- Summary
- Semantic MediaWiki 2.4.0 before 7.4.1 Reflected XSS via Special:Ask Date Format
- Details
-
Semantic MediaWiki 2.4.0 before 7.4.1 contains a reflected cross-site scripting vulnerability in TimeValueFormatter::getCaptionFromFreeFormat(), which emits free-format date captions in HTML without escaping. Unauthenticated attackers can craft a Special:Ask URL with HTML markup in a date printout format (#-F[...]) to execute script in a logged-in victim's browser session.
- Database specific
{ "cna_assigner": "VulnCheck", "cwe_ids": [ "CWE-79" ], "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/126xxx/CVE-2026-126563.json" }- References
-
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/126xxx/CVE-2026-126563.json
- https://github.com/SemanticMediaWiki/SemanticMediaWiki/releases/tag/7.4.1
- https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-h252-mj7p-58q7
- https://nvd.nist.gov/vuln/detail/CVE-2026-126563
- https://www.vulncheck.com/advisories/semantic-mediawiki-2.4.0-before-7.4.1-reflected-xss-via-special-ask-date-format
- https://github.com/SemanticMediaWiki/SemanticMediaWiki/commit/01cb81a6da7af743d2a5eb334db10e52b7318c56
- https://github.com/SemanticMediaWiki/SemanticMediaWiki
- https://github.com/SemanticMediaWiki/SemanticMediaWiki/blob/7.4.0/src/DataValues/ValueFormatters/TimeValueFormatter.php#L312-L340
Affected packages
Git / github.com/semanticmediawiki/semanticmediawiki
Affected ranges
- Type
- GIT
- Repo
- https://github.com/semanticmediawiki/semanticmediawiki
- Events
- Database specific
-
Show details
{ "extracted_events": [ { "range": [ { "introduced": "2.4.0" }, { "fixed": "7.4.1" } ], "source": "AFFECTED_FIELD", "strategy": "StandardRange" }, { "range": [ { "fixed": "01cb81a6da7af743d2a5eb334db10e52b7318c56" } ], "source": "REFERENCES_COMMIT" }, { "original_tag": "7.4.1", "range": [ { "fixed": "bcc3cbf4884f0474232a68d3eff060f93a506379" } ], "source": "REFERENCES_TAG" } ] }