How severe is CVE-2025-53883?

CVE-2025-53883 has a CVSS 4.0 base score of 9.3, rated critical severity.

Is CVE-2025-53883 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-2025-53883?

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-2025-53883 have an EU (EUVD) identifier?

Yes. CVE-2025-53883 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-36996.

When was CVE-2025-53883 published?

CVE-2025-53883 was published on 2025-10-30 and last updated on 2026-06-17.

CVE-2025-53883

CVE-2025-53883 is a critical-severity vulnerability with a CVSS 4.0 base score of 9.3. 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-80.

Key facts

Severity: Critical (CVSS 4.0 base score 9.3)
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-36996
Weakness: CWE-80
Published: 2025-10-30
Last modified: 2026-06-17

Description

A Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability allows attackers to run arbitrary javascript via a reflected XSS issue in the search fields.This issue affects Container suse/manager/5.0/x86_64/server:latest: from ? before 5.0.28-150600.3.36.8; SUSE Manager Server LTS 4.3: from ? before 4.3.88-150400.3.113.5.

Frequently asked questions

What is CVE-2025-53883?: A Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability allows attackers to run arbitrary javascript via a reflected XSS issue in the search fields.This issue affects Container suse/manager/5.0/x86_64/server:latest: from ? before 5.0.28-150600.3.36.8; SUSE Manager Server LTS 4.3: from ? before 4.3.88-150400.3.113.5.
How severe is CVE-2025-53883?: CVE-2025-53883 has a CVSS 4.0 base score of 9.3, rated critical severity.
Is CVE-2025-53883 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-2025-53883?: 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-2025-53883 have an EU (EUVD) identifier?: Yes. CVE-2025-53883 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-36996.
When was CVE-2025-53883 published?: CVE-2025-53883 was published on 2025-10-30 and last updated on 2026-06-17.

References

https://bugzilla.suse.com/show_bug.cgi?id=CVE-2025-53883

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