{"id":"CVE-2026-103048","title":"URL redirection to untrusted site ('open redirect') vulnerability in The Wikimedia Foundation Mediawiki - Collection extension allows Fake the Source of Data.\n\nThis issue affects Mediawiki - Collection extension: before 1.46.1, 1.45.5, 1…","summary":"URL redirection to untrusted site ('open redirect') vulnerability in The Wikimedia Foundation Mediawiki - Collection extension allows Fake the Source of Data.\n\nThis issue affects Mediawiki - Collection extension: before 1.46.1, 1.45.5, 1…","severity":"medium","cvss":6.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","cwe":["CWE-601"],"vendor":"The Wikimedia Foundation","product":"Mediawiki - Collection extension","affected":["mediawiki_-_collection_extension < 1.46.1, 1.45.5, 1.43.10"],"published":"2026-09-30","updated":"2026-10-01","sourceUpdated":"2026-10-01T19:17:17.920","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-103048","references":[{"url":"https://gerrit.wikimedia.org/r/c/1346083","label":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc"},{"url":"https://phabricator.wikimedia.org/T321092","label":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-01T18:32:23.478420Z"},"epss":0.00147,"epssPercentile":0.03851,"ingestedAt":"2026-09-29T23:52:50.550Z","slug":"CVE-2026-103048","body":"## Overview\n\nURL redirection to untrusted site ('open redirect') vulnerability in The Wikimedia Foundation Mediawiki - Collection extension allows Fake the Source of Data.\n\nThis issue affects Mediawiki - Collection extension: before 1.46.1, 1.45.5, 1.43.10.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":34,"depthScoreParts":{"impact":33.6,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":214605,"id":"CVE-2026-103048","ts":1790881120352,"field":"cvss","old":null,"new":"6.1"},{"seq":214604,"id":"CVE-2026-103048","ts":1790881120352,"field":"severity","old":"none","new":"medium"}]}