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    CVE-2021-27558

    A cross site scripting (XSS) issue in EasyCorp ZenTao 12.5.3 allows remote attackers to execute arbitrary web script via various areas such as data-link-creator.

    Published:Aug 31, 2021
    Last Modified:Nov 21, 2024
    EPS:Aug 31, 2021
    EPSS Score:0.00222
    CVSS Score:6.1

    Affected Products

    Vendor
    Easycorp
    Product
    Zentao

    Exploits

    https://privasec.com/blog/zentao-cms-a-monkeys-journey-to-priv-esc-remote-code-execution/https://privasec.com/blog/zentao-cms-a-monkeys-journey-to-priv-esc-remote-code-execution/

    Related CVEs

    CVE-2025-13789 (CVSS 2.1) — A vulnerability was found in ZenTao up to 21.7.6-8564. This affects the function makeRequest of the file modul…
    CVE-2025-13787 (CVSS 5.3) — A flaw has been found in ZenTao up to 21.7.6-8564. The affected element is the function file::delete of the fi…
    CVE-2025-5114 (CVSS 5.3) — A vulnerability has been found in easysoft zentaopms 21.5_20250307 and classified as critical. This vulnerabil…
    CVE-2024-24202 (CVSS 9.8) — An arbitrary file upload vulnerability in /upgrade/control.php of ZenTao Community Edition v18.10, ZenTao Biz …
    CVE-2024-24216 (CVSS 9.8) — Zentao v18.0 to v18.10 was discovered to contain a remote code execution (RCE) vulnerability via the checkConn…
    CVE-2023-49394 (CVSS 6.1) — Zentao versions 4.1.3 and before has a URL redirect vulnerability, which prevents the system from functioning …
    CVE-2023-6439 (CVSS 3.5) — A vulnerability classified as problematic was found in ZenTao PMS 18.8. Affected by this vulnerability is an u…
    CVE-2023-46475 (CVSS 5.4) — A Stored Cross-Site Scripting vulnerability was discovered in ZenTao 18.3 where a user can create a project, a…
    CVE-2023-44826 (CVSS 5.4) — Cross Site Scripting vulnerability in ZenTaoPMS v.18.6 allows a local attacker to obtain sensitive information…
    CVE-2023-44827 (CVSS 8.8) — An issue in ZenTao Community Edition v.18.6 and before, ZenTao Biz v.8.6 and before, ZenTao Max v.4.7 and befo…

    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