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CVE-2026-46489 SolidInvoice CVE debrief

CVE-2026-46489 is a high-severity vulnerability in SolidInvoice, an open-source invoicing platform. An authenticated administrator can upload an SVG file with a malicious JavaScript payload, which is then injected into every page of the application, causing stored cross-site scripting (XSS) that executes in every authenticated user's browser. This issue was patched in version 2.3.17.

Vendor
SolidInvoice
Product
Unknown
CVSS
HIGH 8.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-11
Original CVE updated
2026-06-12
Advisory published
2026-06-11
Advisory updated
2026-06-12

Who should care

Administrators and users of SolidInvoice versions prior to 2.3.17 should apply the patch to prevent exploitation of this vulnerability.

Technical summary

The company logo upload feature in SolidInvoice accepts any file type without validation, allowing an authenticated administrator to upload an SVG file containing embedded JavaScript. This script is base64-encoded and injected unescaped into every page of the application, causing stored cross-site scripting (XSS) that executes in every authenticated user's browser.

Defensive priority

HIGH

Recommended defensive actions

  • Apply the patch by updating to SolidInvoice version 2.3.17 or later.
  • Restrict file uploads to only accept specific, validated file types.
  • Monitor for suspicious activity and implement additional security measures to prevent exploitation.

Evidence notes

CVE-2026-46489 has a CVSS score of 8.1 and is classified as HIGH severity. The vulnerability was published on 2026-06-11T20:16:23.240Z and modified on 2026-06-12T11:16:22.853Z.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-46489 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-46489

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-46489 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-46489

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.