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CVE-2026-81773

WordPress Ninja Forms File Uploads Extension plugin <= 3.3.26 - Cross Site Scripting (XSS) vulnerability

7.1 High

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

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
Low

Exploit likelihood

0.25%Up 0.1 points since Sep 4, 2026
90%50%10%1%

What each source reports

CVE List Score used 7.1

WordPress Ninja Forms File Uploads Extension plugin <= 3.3.26 - Cross Site Scripting (XSS) vulnerability

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

Record
CVE-2026-81773
CVSS 3.1
7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Weakness
CWE-79
Updated
2026-11-02
EUVDEUVD-2026-70564 7.1

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

Record
EUVD-2026-70564
CVSS 3.1
7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Updated
2026-11-02
GitHub AdvisoriesGHSA-vhxc-28cc-c8wv 7.1

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

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

Record
GHSA-vhxc-28cc-c8wv
CVSS 3.1
7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Weakness
CWE-79
Updated
2026-11-02
NVD 7.1

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

Record
CVE-2026-81773
CVSS 3.1
7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Weakness
CWE-79
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliases, products, publishedEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-81773 is a high vulnerability (CVSS 7.1) in Ninja Forms File Uploads Extension, published September 3, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.25%, the 16th percentile. No source names a fixed version.

References

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