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    CVE-2026-34365

    InvoiceShelf is an open-source web & mobile app that helps track expenses, payments and create professional invoices and estimates. Prior to version 2.2.0, a Server-Side Request Forgery (SSRF) vulnerability exists in the Estimate PDF generation module. User-supplied HTML in the estimate Notes field is passed unsanitised to the Dompdf rendering library, which will fetch any remote resources referenced in the markup. The vulnerability is exploitable directly via the PDF preview and customer view endpoints regardless of whether automated email attachments are enabled. This issue has been patched in version 2.2.0.

    Published:Mar 31, 2026
    Last Modified:Apr 8, 2026
    EPS:Mar 31, 2026
    EPSS Score:0.0003
    CVSS Score:7.6

    Affected Products

    Vendor
    Invoiceshelf
    Product
    Invoiceshelf

    Exploits

    https://github.com/InvoiceShelf/InvoiceShelf/security/advisories/GHSA-pc5v-8xwc-v9xqhttps://github.com/InvoiceShelf/InvoiceShelf/security/advisories/GHSA-pc5v-8xwc-v9xq

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-664 Server Side Request Forgery

    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