CVE-2026-52770 PUBLISHED

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') in yeswiki/yeswiki

Assigner: GitHub_M
Reserved: 08.06.2026 Published: 04.09.2026 Updated: 04.09.2026

YesWiki is a wiki system written in PHP. Prior to version 4.6.6, YesWiki’s public Bazar entry-listing APIs are vulnerable to unauthenticated SQL injection in numeric query / queries filters. For Bazar fields whose value structure is numeric, YesWiki escapes the attacker-controlled filter value but inserts it into SQL without quotes or numeric validation. An unauthenticated attacker can inject boolean SQL expressions and infer database contents from whether entries are returned. This issue has been patched in version 4.6.6.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS Score: 7.5

Product Status

Vendor YesWiki
Product yeswiki
Versions
  • Version < 4.6.6 is affected

References

Problem Types

  • CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') CWE