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    CVE-2021-47954

    LayerBB 1.1.4 contains an SQL injection vulnerability that allows unauthenticated attackers to manipulate database queries by injecting SQL code through the search_query parameter. Attackers can send POST requests to /search.php with malicious search_query values using CASE WHEN statements to extract sensitive database information.

    Published:May 16, 2026
    Last Modified:May 18, 2026
    EPS:May 16, 2026
    EPSS Score:0.00062
    CVSS Score:8.2

    Affected Products

    Vendor
    Layerbb
    Product
    Layerbb

    Exploits

    No exploit reference

    Related CVEs

    CVE-2019-16531 (CVSS 8.8) — LayerBB before 1.1.4 has multiple CSRF issues, as demonstrated by changing the System Settings via admin/gener…
    CVE-2019-13974 (CVSS 8.8) — LayerBB 1.1.3 allows conversations.php/cmd/new CSRF.…
    CVE-2019-13973 (CVSS 9.8) — LayerBB 1.1.3 allows admin/general.php arbitrary file upload because the custom_logo filename suffix is not re…
    CVE-2019-13972 (CVSS 6.1) — LayerBB 1.1.3 allows XSS via the application/commands/new.php pm_title variable, a related issue to CVE-2019-1…
    CVE-2018-17997 (CVSS 6.1) — LayerBB 1.1.1 allows XSS via the titles of conversations (PMs).…
    CVE-2018-17996 (CVSS 6.5) — LayerBB before 1.1.3 allows CSRF for adding a user via admin/new_user.php, deleting a user via admin/members.p…
    CVE-2018-17988 (CVSS 9.8) — LayerBB 1.1.1 and 1.1.3 has SQL Injection via the search.php search_query parameter.…

    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