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    CVE-2021-25294

    OpenCATS through 0.9.5-3 unsafely deserializes index.php?m=activity requests, leading to remote code execution. This occurs because lib/DataGrid.php calls unserialize for the parametersactivity:ActivityDataGrid parameter. The PHP object injection exploit chain can leverage an __destruct magic method in guzzlehttp.

    Published:Jan 18, 2021
    Last Modified:Nov 21, 2024
    EPS:Jan 18, 2021
    EPSS Score:0.27726
    CVSS Score:9.8

    Affected Products

    Vendor
    Opencats
    Product
    Opencats

    Exploits

    https://snoopysecurity.github.io/web-application-security/2021/01/16/09_opencats_php_object_injection.htmlhttps://snoopysecurity.github.io/web-application-security/2021/01/16/09_opencats_php_object_injection.html

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-586 Object Injection

    Related CVEs

    CVE-2026-49490 (CVSS 8.6) — OpenCATS from version 0.9.1a contains an SQL injection vulnerability in DataGrid filter handling that allows a…
    CVE-2026-49489 (CVSS 8.4) — OpenCATS through 0.9.7.4 contains a sql injection vulnerability in the sortDirection parameter of the DataGrid…
    CVE-2021-47936 (CVSS 9.3) — OpenCATS 0.9.4 contains a remote code execution vulnerability that allows unauthenticated attackers to execute…
    CVE-2026-27760 (CVSS 9.2) — OpenCATS prior to commit 3002a29 contains a PHP code injection vulnerability in the installer AJAX endpoint th…
    CVE-2023-26846 (CVSS 5.4) — A stored cross-site scripting (XSS) vulnerability in OpenCATS v0.9.7 allows attackers to execute arbitrary web…
    CVE-2023-26847 (CVSS 5.4) — A stored cross-site scripting (XSS) vulnerability in OpenCATS v0.9.7 allows attackers to execute arbitrary web…
    CVE-2023-26845 (CVSS 4.3) — A Cross-Site Request Forgery (CSRF) in OpenCATS 0.9.7 allows attackers to force users into submitting web requ…
    CVE-2023-27295 (CVSS 5.4) — Cross-site request forgery is facilitated by OpenCATS failure to require CSRF tokens in POST requests. An atta…
    CVE-2023-27292 (CVSS 5.4) — An open redirect vulnerability exposes OpenCATS to template injection due to improper validation of user-suppl…
    CVE-2023-27293 (CVSS 6.1) — Improper neutralization of input during web page generation allows an unauthenticated attacker to submit malic…

    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