How severe is CVE-2025-4991?

CVE-2025-4991 has a CVSS 3.x base score of 8.7, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2025-4991 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-4991?

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

Does CVE-2025-4991 have an EU (EUVD) identifier?

Yes. CVE-2025-4991 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16499.

When was CVE-2025-4991 published?

CVE-2025-4991 was published on 2025-05-30 and last updated on 2026-06-17.

CVE-2025-4991

CVE-2025-4991 is a high-severity vulnerability with a CVSS 3.x base score of 8.7. 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: High (CVSS 3.x base score 8.7)
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-16499
Weakness: CWE-79
Published: 2025-05-30
Last modified: 2026-06-17

Description

A stored Cross-site Scripting (XSS) vulnerability affecting 3D Markup in Collaborative Industry Innovator from Release 3DEXPERIENCE R2022x through Release 3DEXPERIENCE R2025x allows an attacker to execute arbitrary script code in user's browser session.

Frequently asked questions

What is CVE-2025-4991?: A stored Cross-site Scripting (XSS) vulnerability affecting 3D Markup in Collaborative Industry Innovator from Release 3DEXPERIENCE R2022x through Release 3DEXPERIENCE R2025x allows an attacker to execute arbitrary script code in user's browser session.
How severe is CVE-2025-4991?: CVE-2025-4991 has a CVSS 3.x base score of 8.7, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2025-4991 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-4991?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-4991 have an EU (EUVD) identifier?: Yes. CVE-2025-4991 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16499.
When was CVE-2025-4991 published?: CVE-2025-4991 was published on 2025-05-30 and last updated on 2026-06-17.

References

https://www.3ds.com/vulnerability/advisories

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