Browser script execution via unescaped invoice number
Published Feb 18, 2026 · Updated Feb 18, 2026
Stored XSS in InvoicePlane 1.7.0 allows remote authenticated users to run scripts in a user's browser via a crafted invoice number. The invoice save endpoint stores the invoice_number parameter without validation, and invoice views render the stored value without output encoding. Administrator privileges are required to save a payload, and script execution requires a user to view the affected invoice, enabling data access or actions within that browser session.
Summary
What happened
Stored XSS in InvoicePlane 1.7.0 allows remote authenticated users to run scripts in a user's browser via a crafted invoice number. The invoice save endpoint stores the invoice_number parameter without validation, and invoice views render the stored value without output encoding. Administrator privileges are required to save a payload, and script execution requires a user to view the affected invoice, enabling data access or actions within that browser session.
The record
- CVE
- CVE-2026-24744
- Published
- Feb 18, 2026
- Updated
- Feb 18, 2026
- Vendor
- InvoicePlane
- Product
- InvoicePlane
- Classifications
- CWE-79, T1059.007
- Attack vector
- network
- Privileges
- admin
Timeline
How it unfolded
- Feb 18, 2026CVE publishedPublication date reported by the CVE source.
- Feb 18, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion== 1.7.0
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
- GHSA invoice-number stored XSS proof of conceptproof of concept · demonstrated
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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