How severe is CVE-2025-13132?

CVE-2025-13132 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2025-13132 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-13132?

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-2025-13132 have an EU (EUVD) identifier?

Yes. CVE-2025-13132 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-198498.

When was CVE-2025-13132 published?

CVE-2025-13132 was published on 2025-11-21 and last updated on 2026-06-17.

CVE-2025-13132

CVE-2025-13132 is a high-severity vulnerability with a CVSS 3.x base score of 7.4. 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-1021.

Key facts

Severity: High (CVSS 3.x base score 7.4)
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-198498
Weakness: CWE-1021
Published: 2025-11-21
Last modified: 2026-06-17

Description

This vulnerability allowed a site to enter fullscreen, after a user click, without a full-screen notification (toast) appearing. Without this notification, users could potentially be misled about what site they were on if a malicious site renders a fake UI (like a fake address bar.)

Frequently asked questions

What is CVE-2025-13132?: This vulnerability allowed a site to enter fullscreen, after a user click, without a full-screen notification (toast) appearing. Without this notification, users could potentially be misled about what site they were on if a malicious site renders a fake UI (like a fake address bar.)
How severe is CVE-2025-13132?: CVE-2025-13132 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2025-13132 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-13132?: 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-2025-13132 have an EU (EUVD) identifier?: Yes. CVE-2025-13132 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-198498.
When was CVE-2025-13132 published?: CVE-2025-13132 was published on 2025-11-21 and last updated on 2026-06-17.

References

https://www.diabrowser.com/security/bulletins#CVE-2025-13132

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