CVE Feed

    Dashboard / CVE / CVE-2009-2104

    CVE-2009-2104

    Cross-site scripting (XSS) vulnerability in the Modern Guestbook / Commenting System (ve_guestbook) extension 2.7.1 and earlier for TYPO3 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

    Published:Jun 17, 2009
    Last Modified:Apr 23, 2026
    EPS:Jun 17, 2009
    EPSS Score:0.00357
    CVSS Score:4.3

    Affected Products

    Vendor
    Typo3
    Product
    Typo3
    Vendor
    Udo Von Eynern
    Product
    Modern Guest Book Commenting System

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-77132 (CVSS 5.3) — It has been discovered that several AJAX routes used for the backend localization wizard failed to perform aut…
    CVE-2026-85400 (CVSS 7.5) — Backend administrators without system maintainer privileges were able to schedule any of the configuration:rea…
    CVE-2026-19418 (CVSS 7.3) — The referrer enforcement introduced with TYPO3-CORE-SA-2020-006 (CVE-2020-11069) became ineffective in TYPO3 v…
    CVE-2026-15305 (CVSS 6.3) — Users were able to upload files with arbitrary MIME types to forms using FileUpload or ImageUpload elements wi…
    CVE-2026-49742 (CVSS 7.1) — Backend users with file download permissions were able to download files from the fallback storage of the file…
    CVE-2026-49741 (CVSS 8.7) — Backend users with write access to the form_definition database table were able to directly create, update, or…
    CVE-2026-49740 (CVSS 6.3) — TYPO3's cache frontend (VariableFrontend) and persistent key-value store (Registry) deserialized PHP payloads …
    CVE-2026-49738 (CVSS 2.1) — The path allowance check in GeneralUtility::isAllowedAbsPath() performed a plain string prefix comparison with…
    CVE-2026-47352 (CVSS 5.3) — Authenticated backend users were able to retrieve file metadata via several Backend API routes without proper …
    CVE-2026-47351 (CVSS 5.3) — Backend users were able to insert arbitrary records and files into the TYPO3 clipboard without proper read per…

    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