How severe is CVE-2025-27603?

CVE-2025-27603 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-27603 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-27603?

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-2025-27603 have an EU (EUVD) identifier?

Yes. CVE-2025-27603 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-7796.

When was CVE-2025-27603 published?

CVE-2025-27603 was published on 2025-03-07 and last updated on 2026-06-17.

CVE-2025-27603

CVE-2025-27603 is a critical-severity vulnerability with a CVSS 3.x base score of 9.1. 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-95.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-7796
Weakness: CWE-95
Published: 2025-03-07
Last modified: 2026-06-17

Description

XWiki Confluence Migrator Pro helps admins to import confluence packages into their XWiki instance. A user that doesn't have programming rights can execute arbitrary code due to an unescaped translation when creating a page using the Migration Page template. This vulnerability is fixed in 1.2.0.

Frequently asked questions

What is CVE-2025-27603?: XWiki Confluence Migrator Pro helps admins to import confluence packages into their XWiki instance. A user that doesn't have programming rights can execute arbitrary code due to an unescaped translation when creating a page using the Migration Page template. This vulnerability is fixed in 1.2.0.
How severe is CVE-2025-27603?: CVE-2025-27603 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-27603 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-27603?: 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-2025-27603 have an EU (EUVD) identifier?: Yes. CVE-2025-27603 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-7796.
When was CVE-2025-27603 published?: CVE-2025-27603 was published on 2025-03-07 and last updated on 2026-06-17.

References

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