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HIGH

CVE-2026-81773

CVSS v3

7.1

HIGH

EPSS Score

0.3 %

exploit probability, as of 2026-09-28

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

Unauthenticated Cross Site Scripting (XSS) in Ninja Forms File Uploads Extension <= 3.3.26 versions.

Technical details

Published
2026-09-03
Last Modified
2026-09-05

Frequently asked questions

What is CVE-2026-81773?

Unauthenticated Cross Site Scripting (XSS) in Ninja Forms File Uploads Extension <= 3.3.26 versions.

Is CVE-2026-81773 actively exploited?

Active exploitation of CVE-2026-81773 has not been confirmed. Its EPSS score was 0.3% on 2026-09-28, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-81773?

CVE-2026-81773 has a CVSS v3 base score of 7.1 (HIGH severity).

Is CVE-2026-81773 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

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