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    CVE-2026-52770

    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.

    Published:Sep 4, 2026
    Last Modified:Sep 5, 2026
    EPS:Sep 4, 2026
    EPSS Score:
    CVSS Score:7.5

    Affected Products

    Vendor
    Yeswiki
    Product
    Yeswiki

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-52767 (CVSS 8.2) — YesWiki is a wiki system written in PHP. From version 4.6.2 to before version 4.6.6, HttpSignatureService::ver…
    CVE-2026-52766 (CVSS 9.1) — YesWiki is a wiki system written in PHP. Prior to version 4.6.6, the {{erasespamedcomments}} wiki action (acti…
    CVE-2026-52763 (CVSS 6.5) — YesWiki is a wiki system written in PHP. Prior to version 4.6.6, the recentchanges action (actions/recentchang…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High