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    CVE-2020-9757

    The SEOmatic component before 3.3.0 for Craft CMS allows Server-Side Template Injection that leads to RCE via malformed data to the metacontainers controller.

    Published:Mar 4, 2020
    Last Modified:Nov 21, 2024
    EPS:Mar 4, 2020
    EPSS Score:0.93272
    CVSS Score:9.8

    Affected Products

    Vendor
    Craftcms
    Product
    Craft Cms

    Exploits

    https://github.com/giany/CVE/blob/master/CVE-2020-9757.txthttps://github.com/giany/CVE/blob/master/CVE-2020-9757.txt

    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-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-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-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

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    CVE-2026-86730 (CVSS 8.7) — Craft CMS versions before 5.10.12 fail to properly cleanse string-typed field-layout elements, allowing authen…
    CVE-2026-84802 (CVSS 5.3) — Craft CMS versions from 5.7.0 before 5.10.12 contain an information disclosure vulnerability in AssetsControll…
    CVE-2026-84801 (CVSS 8.7) — Craft CMS versions before 5.10.11 fail to validate admin status in the actionGetPasswordResetUrl endpoint, all…
    CVE-2026-84800 (CVSS 7.1) — Craft CMS versions >= 5.0.0-RC1 and < 5.10.11 contain a missing authorization vulnerability in AssetsControlle…
    CVE-2026-84799 (CVSS 5.3) — Craft CMS before 5.11.0 fails to enforce user-group scope filters on native GraphQL user relations including a…
    CVE-2026-84798 (CVSS 7.1) — Craft CMS versions >= 5.0.0-RC1 and < 5.10.11 fail to perform an independent authorization check in ElementsCo…
    CVE-2026-84797 (CVSS 5.3) — Craft CMS versions before 5.10.11 contain an authorization bypass vulnerability in ElementsController::actionD…
    CVE-2026-84796 (CVSS 8.7) — Craft CMS versions before 5.10.11 contain a site scope bypass vulnerability in GraphQL entry mutation resolver…

    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