CVE-2026-100238
Flow colon-separator and flow-guidedtour-optin-welcome-description messages allow stored XSS
- State
- Published
- Severity
- 6.1 Medium
- Published
- Sep 29, 2026
- Updated
- Sep 30, 2026
- Reserved
- Sep 25, 2026
Description
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - Flow Extension allows Stored XSS.
This issue affects Mediawiki - Flow Extension: from * before 1.46.1, 1.45.5, 1.43.10.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.1 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N | CISA-ADP |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
Mediawiki - Flow ExtensionWikimedia Foundation |
|
References
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