How severe is CVE-2025-7783?

CVE-2025-7783 has a CVSS 4.0 base score of 9.4, rated critical severity.

Is CVE-2025-7783 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-7783?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2025-7783 have an EU (EUVD) identifier?

Yes. CVE-2025-7783 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-21906.

When was CVE-2025-7783 published?

CVE-2025-7783 was published on 2025-07-18 and last updated on 2026-06-17.

CVE-2025-7783

CVE-2025-7783 is a critical-severity vulnerability with a CVSS 4.0 base score of 9.4. 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-330.

Key facts

Severity: Critical (CVSS 4.0 base score 9.4)
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-21906
Weakness: CWE-330
Published: 2025-07-18
Last modified: 2026-06-17

Description

Use of Insufficiently Random Values vulnerability in form-data allows HTTP Parameter Pollution (HPP). This vulnerability is associated with program files lib/form_data.Js. This issue affects form-data: < 2.5.4, 3.0.0 - 3.0.3, 4.0.0 - 4.0.3.

Frequently asked questions

What is CVE-2025-7783?: Use of Insufficiently Random Values vulnerability in form-data allows HTTP Parameter Pollution (HPP). This vulnerability is associated with program files lib/form_data.Js. This issue affects form-data: < 2.5.4, 3.0.0 - 3.0.3, 4.0.0 - 4.0.3.
How severe is CVE-2025-7783?: CVE-2025-7783 has a CVSS 4.0 base score of 9.4, rated critical severity.
Is CVE-2025-7783 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-7783?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-7783 have an EU (EUVD) identifier?: Yes. CVE-2025-7783 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-21906.
When was CVE-2025-7783 published?: CVE-2025-7783 was published on 2025-07-18 and last updated on 2026-06-17.

References

Other CWE-330 (Use of Insufficiently Random Values) vulnerabilities

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CVE-2026-27755 — Critical (CVSS 9.8): SODOLA SL902-SWTGW124AS firmware versions through 200.1.20 contain a weak session identifier generation vulnerability…
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CVE-2025-64097 — Critical (CVSS 9.8): NervesHub is a web service that allows users to manage over-the-air (OTA) firmware updates of devices in the field. A…
CVE-2025-4607 — Critical (CVSS 9.8): The PSW Front-end Login & Registration plugin for WordPress is vulnerable to Privilege Escalation in all versions up…

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