High severity7.6NVD Advisory· Published Mar 31, 2026· Updated Apr 7, 2026
CVE-2026-34366
CVE-2026-34366
Description
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 Payment receipt PDF generation module. User-supplied HTML in the payment 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 receipt endpoint, regardless of whether automated email attachments are enabled. This issue has been patched in version 2.2.0.
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Affected products
2cpe:2.3:a:invoiceshelf:invoiceshelf:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:invoiceshelf:invoiceshelf:*:*:*:*:*:*:*:*range: <2.2.0
- (no CPE)range: <2.2.0
Patches
Vulnerability mechanics
References
2- github.com/InvoiceShelf/InvoiceShelf/security/advisories/GHSA-38hf-fq8x-q49rnvdExploitVendor Advisory
- github.com/InvoiceShelf/InvoiceShelf/releases/tag/2.2.0nvdProduct
News mentions
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