Vulnerability details

CVE-2026-34367

InvoiceShelf InvoiceShelf

InvoiceShelf: SSRF in Invoice PDF Rendering via Unsanitised HTML in Notes Field

CVSS 3.1
7.6High

Official 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 Invoice PDF generation module. User-supplied HTML in the invoice Notes field is passed unsanitised to the Dompdf rendering library, which will fetch any remote resources referenced in the markup. This can be triggered via the PDF preview and email delivery endpoints. This issue has been patched in version 2.2.0.

CVSS scores

ScoreVersionSourceVector
7.6High 3.1 CVEProject cvelistV5 (CNA) (GitHub_M) CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:N

Affected products

VendorProductVersionsSource
InvoiceShelf InvoiceShelf < 2.2.0 CVEProject cvelistV5 (CNA)

References and advisories

2
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Details

Published
2026-03-31
Last updated
2026-04-03
State
Published
Assigner (CNA)
GitHub_M

Exploit prediction (EPSS)

0.27%
Probability of exploitation in 30 days
19.6%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
Proof of concept
Technical impact
Partial

Weaknesses (CWE)

  • CWE-918
    Server-Side Request Forgery (SSRF)