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    CVE-2026-6982

    A vulnerability was determined in star7th ShowDoc up to 2.10.10/3.6.2/3.8.0. Affected by this vulnerability is an unknown functionality of the file server/Application/Api/Controller/PageController.class.PHP of the component API Page Sort Endpoint. Executing a manipulation of the argument pages can lead to sql injection. The attack may be launched remotely. Upgrading to version 3.8.1 addresses this issue. It is suggested to upgrade the affected component. According to the researcher, "[t]he vendor explicitly stated they will not backport patches to the older affected versions."

    Published:Apr 25, 2026
    Last Modified:Apr 27, 2026
    EPS:Apr 25, 2026
    EPSS Score:0.00028
    CVSS Score:6.3

    Affected Products

    Vendor
    Showdoc
    Product
    Showdoc
    Vendor
    Star7th
    Product
    Showdoc

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-10 Buffer Overflow via Environment Variables
    CAPEC-101 Server Side Include (SSI) Injection
    CAPEC-105 HTTP Request Splitting
    CAPEC-108 Command Line Execution through SQL Injection
    CAPEC-109 Object Relational Mapping Injection
    CAPEC-110 SQL Injection through SOAP Parameter Tampering
    CAPEC-120 Double Encoding
    CAPEC-13 Subverting Environment Variable Values
    CAPEC-135 Format String Injection
    CAPEC-14 Client-side Injection-induced Buffer Overflow
    CAPEC-24 Filter Failure through Buffer Overflow
    CAPEC-250 XML Injection
    CAPEC-267 Leverage Alternate Encoding
    CAPEC-273 HTTP Response Smuggling
    CAPEC-28 Fuzzing
    CAPEC-3 Using Leading 'Ghost' Character Sequences to Bypass Input Filters
    CAPEC-34 HTTP Response Splitting
    CAPEC-42 MIME Conversion
    CAPEC-43 Exploiting Multiple Input Interpretation Layers
    CAPEC-45 Buffer Overflow via Symbolic Links
    CAPEC-46 Overflow Variables and Tags
    CAPEC-47 Buffer Overflow via Parameter Expansion
    CAPEC-470 Expanding Control over the Operating System from the Database
    CAPEC-51 Poison Web Service Registry
    CAPEC-52 Embedding NULL Bytes
    CAPEC-53 Postfix, Null Terminate, and Backslash
    CAPEC-6 Argument Injection
    CAPEC-64 Using Slashes and URL Encoding Combined to Bypass Validation Logic
    CAPEC-66 SQL Injection
    CAPEC-67 String Format Overflow in syslog()
    CAPEC-7 Blind SQL Injection
    CAPEC-71 Using Unicode Encoding to Bypass Validation Logic
    CAPEC-72 URL Encoding
    CAPEC-76 Manipulating Web Input to File System Calls
    CAPEC-78 Using Escaped Slashes in Alternate Encoding
    CAPEC-79 Using Slashes in Alternate Encoding
    CAPEC-8 Buffer Overflow in an API Call
    CAPEC-80 Using UTF-8 Encoding to Bypass Validation Logic
    CAPEC-83 XPath Injection
    CAPEC-84 XQuery Injection
    CAPEC-9 Buffer Overflow in Local Command-Line Utilities

    Related CVEs

    CVE-2026-86644 (CVSS 2) — A vulnerability was determined in star7th showdoc up to 3.9.1. This vulnerability affects unknown code of the …
    CVE-2025-0520 (CVSS 9.4) — An unrestricted file upload vulnerability in ShowDoc caused by improper validation of file extension allows ex…
    CVE-2022-1034 (CVSS 7.2) — There is a Unrestricted Upload of File vulnerability in ShowDoc v2.10.3 in GitHub repository star7th/showdoc p…
    CVE-2022-0964 (CVSS 5.4) — Stored XSS viva .webmv file upload in GitHub repository star7th/showdoc prior to 2.10.4.…
    CVE-2022-0965 (CVSS 5.4) — Stored XSS viva .ofd file upload in GitHub repository star7th/showdoc prior to 2.10.4.…
    CVE-2022-0966 (CVSS 5.4) — Stored XSS via File Upload in star7th/showdoc in GitHub repository star7th/showdoc prior to 2.4.10.…
    CVE-2022-0967 (CVSS 5.4) — Stored XSS via File Upload in star7th/showdoc in star7th/showdoc in GitHub repository star7th/showdoc prior to…
    CVE-2022-0942 (CVSS 5.4) — Stored XSS due to Unrestricted File Upload in GitHub repository star7th/showdoc prior to 2.10.4.…
    CVE-2022-0957 (CVSS 5.4) — Stored XSS via File Upload in GitHub repository star7th/showdoc prior to 2.10.4.…
    CVE-2022-0956 (CVSS 5.4) — Stored XSS via File Upload in GitHub repository star7th/showdoc prior to v.2.10.4.…

    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