CVE-2026-104457

HighCVSS 8.6/10Last modified Oct 6, 2026

Description

YesWiki before 4.6.7 contains an SQL injection vulnerability in the Bazar filtertags action, which wraps unescaped filterN attribute tokens in quotes and concatenates them into a raw tags.value IN (...) clause. Unauthenticated attackers on default installs can save filtertags markup in a page with a trailing-backslash token that breaks quote parity under MySQL backslash escaping. This lets them inject a five-column UNION subquery to read arbitrary table data such as password hashes.

Metrics

CVSS 3.1 8.6/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L

Weakness enumeration

CWE-89

Affected software

No affected versions have been published.

Timeline

Published
Oct 2, 2026
Last modified
Oct 6, 2026
NVD status
Deferred

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CVE-2026-104457: High severity, CVSS 8.6 | Vulnix