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    CVE-2021-4271

    A vulnerability was found in panicsteve w2wiki. It has been rated as problematic. Affected by this issue is the function toHTML of the file index.php of the component Markdown Handler. The manipulation leads to cross site scripting. The attack may be launched remotely. The name of the patch is 8f1d0470b4ddb1c7699e3308e765c11ed29542b6. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-216476.

    Published:Dec 21, 2022
    Last Modified:Apr 14, 2025
    EPS:Dec 21, 2022
    EPSS Score:0.00066
    CVSS Score:3.5

    Affected Products

    Vendor
    W2wiki Project
    Product
    W2wiki

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-209 XSS Using MIME Type Mismatch
    CAPEC-250 XML Injection
    CAPEC-276 Inter-component Protocol Manipulation
    CAPEC-277 Data Interchange Protocol Manipulation
    CAPEC-278 Web Services Protocol Manipulation
    CAPEC-279 SOAP Manipulation
    CAPEC-3 Using Leading 'Ghost' Character Sequences to Bypass Input Filters
    CAPEC-43 Exploiting Multiple Input Interpretation Layers
    CAPEC-468 Generic Cross-Browser Cross-Domain Theft
    CAPEC-52 Embedding NULL Bytes
    CAPEC-53 Postfix, Null Terminate, and Backslash
    CAPEC-588 DOM-Based XSS
    CAPEC-591 Reflected XSS
    CAPEC-592 Stored XSS
    CAPEC-63 Cross-Site Scripting (XSS)
    CAPEC-64 Using Slashes and URL Encoding Combined to Bypass Validation Logic
    CAPEC-7 Blind SQL Injection
    CAPEC-78 Using Escaped Slashes in Alternate Encoding
    CAPEC-79 Using Slashes in Alternate Encoding
    CAPEC-83 XPath Injection
    CAPEC-84 XQuery Injection
    CAPEC-85 AJAX Footprinting

    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