CVE Feed

    Dashboard / CVE / CVE-2021-3111

    CVE-2021-3111

    The Express Entries Dashboard in Concrete5 8.5.4 allows stored XSS via the name field of a new data object at an index.php/dashboard/express/entries/view/ URI.

    Published:Jan 8, 2021
    Last Modified:Nov 21, 2024
    EPS:Jan 8, 2021
    EPSS Score:0.00606
    CVSS Score:4.8

    Affected Products

    Vendor
    Concretecms
    Product
    Concrete Cms

    Exploits

    http://packetstormsecurity.com/files/161600/Concrete5-8.5.4-Cross-Site-Scripting.htmlhttps://github.com/Quadron-Research-Lab/CVE/blob/main/CVE-2021-3111.pdfhttp://packetstormsecurity.com/files/161600/Concrete5-8.5.4-Cross-Site-Scripting.htmlhttps://github.com/Quadron-Research-Lab/CVE/blob/main/CVE-2021-3111.pdfhttps://www.exploit-db.com/exploits/49721

    Related CVEs

    CVE-2026-81906 (CVSS 6.3) — Concrete CMS OAuth callback login path prior to version 9.5.3 did not check whether an account was active or e…
    CVE-2026-81905 (CVSS 6.3) — Concrete CMS below 9.5.3 stores user validation hashes for multiple purposes (email/registration validation, p…
    CVE-2026-18121 (CVSS 6.3) — Concrete CMS 9.5.2 and below is vulnerable to an authorization bypass (IDOR) because the frontend calendar lig…
    CVE-2026-84432 (CVSS 5.3) — Concrete CMS 9 through 9.5.2 did not validate an anti-CSRF token in the Boards custom slot dialog controller …
    CVE-2026-68527 (CVSS 5.9) — Concrete CMS versions 8.3.0 through 9.5.2 are vulnerable to an authorization bypass in the Calendar event edit…
    CVE-2026-81904 (CVSS 6.3) — Concrete CMS below 9.5.3 registered view assets for every sub-block of a Stack, Container, or layout area with…
    CVE-2026-10721 (CVSS 8.4) — Concrete CMS below 9.5.2 is vulnerable to PHP Object Injection via unserialize() calls in the  in Permission, …
    CVE-2026-7888 (CVSS 8.4) — Concrete CMS below 9.5.2 is vulnerable to PHP Object Injection via unserialize() calls in the Workflow, Form b…
    CVE-2026-8353 (CVSS 2.1) — Concrete CMS version 9.0 to 9.5.0 is vulnerable to Stored XSS via page name in the Atomik theme. A rogue edito…
    CVE-2026-8347 (CVSS 2.3) — Concrete CMS 9.5.0 and below is vulnerable to IDOR + wrong-authorization-level in the Express association Reor…

    References

    http://packetstormsecurity.com/files/161600/Concrete5-8.5.4-Cross-Site-Scripting.html
    http://packetstormsecurity.com/files/161997/Concrete5-8.5.4-Cross-Site-Scripting.html
    https://documentation.concrete5.org/developers/introduction/version-history
    https://documentation.concrete5.org/developers/introduction/version-history/855-release-notes
    https://github.com/Quadron-Research-Lab/CVE/blob/main/CVE-2021-3111.pdf
    http://packetstormsecurity.com/files/161600/Concrete5-8.5.4-Cross-Site-Scripting.html
    http://packetstormsecurity.com/files/161997/Concrete5-8.5.4-Cross-Site-Scripting.html
    https://documentation.concrete5.org/developers/introduction/version-history
    https://documentation.concrete5.org/developers/introduction/version-history/855-release-notes
    https://github.com/Quadron-Research-Lab/CVE/blob/main/CVE-2021-3111.pdf

    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