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Description

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') vulnerability in The Wikimedia Foundation Mediawiki - LanguageSelector Extension allows Code Injection.This issue affects Mediawiki - LanguageSelector Extension: from master before 1.39.

PUBLISHED Reserved 2025-10-20 | Published 2025-10-20 | Updated 2025-10-20 | Assigner wikimedia-foundation




HIGH: 8.8CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:L/SI:L/SA:L

Problem types

CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

Product status

Default status
unaffected

master (semver) before 1.39
affected

Credits

SomeRandomDeveloper finder

References

gerrit.wikimedia.org/...88e756de4e58a3f1f02a9c205b37f4927935

phabricator.wikimedia.org/T399724

cve.org (CVE-2025-62697)

nvd.nist.gov (CVE-2025-62697)

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