How severe is CVE-2026-26270?

CVE-2026-26270 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-26270 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-26270?

CVE-2026-26270 affects Invoiceplane. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-26270?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-26270 have an EU (EUVD) identifier?

Yes. CVE-2026-26270 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8099.

When was CVE-2026-26270 published?

CVE-2026-26270 was published on 2026-02-18 and last updated on 2026-06-17.

CVE-2026-26270

CVE-2026-26270 is a medium-severity vulnerability in Invoiceplane with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-8099
Weakness: CWE-79
Affected product: Invoiceplane
Published: 2026-02-18
Last modified: 2026-06-17

Description

InvoicePlane is a self-hosted open source application for managing invoices, clients, and payments. A Stored Cross-Site Scripting (XSS) vulnerability exists in InvoicePlane (latest version) that allows an authenticated user with permissions to manage Invoice Groups to inject malicious JavaScript into the "Identifier Format" field. This script executes when any user views the invoice list or the main dashboard. Version 1.7.1 patches the issue.

Frequently asked questions

What is CVE-2026-26270?: InvoicePlane is a self-hosted open source application for managing invoices, clients, and payments. A Stored Cross-Site Scripting (XSS) vulnerability exists in InvoicePlane (latest version) that allows an authenticated user with permissions to manage Invoice Groups to inject malicious JavaScript into the "Identifier Format" field. This script executes when any user views the invoice list or the main dashboard. Version 1.7.1 patches the issue.
How severe is CVE-2026-26270?: CVE-2026-26270 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-26270 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-26270?: CVE-2026-26270 affects Invoiceplane. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-26270?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-26270 have an EU (EUVD) identifier?: Yes. CVE-2026-26270 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8099.
When was CVE-2026-26270 published?: CVE-2026-26270 was published on 2026-02-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:invoiceplane:invoiceplane:1.7.0:-:*:*:*:*:*:*

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