How severe is CVE-2025-41000?

CVE-2025-41000 has a CVSS 4.0 base score of 2.1, rated low severity.

Is CVE-2025-41000 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-41000?

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

Does CVE-2025-41000 have an EU (EUVD) identifier?

Yes. CVE-2025-41000 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26496.

When was CVE-2025-41000 published?

CVE-2025-41000 was published on 2025-09-03 and last updated on 2026-06-17.

CVE-2025-41000

CVE-2025-41000 is a low-severity vulnerability with a CVSS 4.0 base score of 2.1. 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-1021.

Key facts

Severity: Low (CVSS 4.0 base score 2.1)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-26496
Weakness: CWE-1021
Published: 2025-09-03
Last modified: 2026-06-17

Description

Cross-Frame Scripting (XFS) vulnerability in BoomCMS v9.1.4 from UXB London. XFS is a web attack technique that exploits specific browser bugs to spy on users via JavaScript. This type of attack is based on social engineering and depends entirely on the browser chosen by the user, so it is perceived as a minor threat to web application security. This vulnerability only works in older browsers.

Frequently asked questions

What is CVE-2025-41000?: Cross-Frame Scripting (XFS) vulnerability in BoomCMS v9.1.4 from UXB London. XFS is a web attack technique that exploits specific browser bugs to spy on users via JavaScript. This type of attack is based on social engineering and depends entirely on the browser chosen by the user, so it is perceived as a minor threat to web application security. This vulnerability only works in older browsers.
How severe is CVE-2025-41000?: CVE-2025-41000 has a CVSS 4.0 base score of 2.1, rated low severity.
Is CVE-2025-41000 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-41000?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-41000 have an EU (EUVD) identifier?: Yes. CVE-2025-41000 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26496.
When was CVE-2025-41000 published?: CVE-2025-41000 was published on 2025-09-03 and last updated on 2026-06-17.

References

https://www.incibe.es/en/incibe-cert/notices/aviso/cross-frame-scripting-xfs-boomcms

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