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    CVE-2021-42194

    The wechat_return function in /controller/Index.php of EyouCms V1.5.4-UTF8-SP3 passes the user's input directly into the simplexml_ load_ String function, which itself does not prohibit external entities, triggering a XML external entity (XXE) injection vulnerability.

    Published:Mar 20, 2022
    Last Modified:Nov 21, 2024
    EPS:Mar 20, 2022
    EPSS Score:0.00337
    CVSS Score:7.2

    Affected Products

    Vendor
    Eyoucms
    Product
    Eyoucms

    Exploits

    https://github.com/eyoucms/eyoucms/issues/19https://github.com/eyoucms/eyoucms/issues/19

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-221 Data Serialization External Entities Blowup

    Related CVEs

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    CVE-2026-1107 (CVSS 2.1) — A weakness has been identified in EyouCMS up to 1.7.1/5.0. Impacted is the function check_userinfo of the file…
    CVE-2025-15375 (CVSS 2.1) — A flaw has been found in EyouCMS up to 1.7.7. The impacted element is the function unserialize of the file app…
    CVE-2025-15374 (CVSS 2) — A vulnerability was detected in EyouCMS up to 1.7.7. The affected element is an unknown function of the file a…
    CVE-2025-15373 (CVSS 2.1) — A security vulnerability has been detected in EyouCMS up to 1.7.7. Impacted is the function saveRemote of the …
    CVE-2025-15143 (CVSS 2) — A security flaw has been discovered in EyouCMS up to 1.7.6. The affected element is an unknown function of the…
    CVE-2025-65868 (CVSS 7.5) — XML external entity (XXE) injection in eyoucms v1.7.1 allows remote attackers to cause a denial of service via…

    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