How severe is CVE-2025-63261?

CVE-2025-63261 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-63261 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-63261?

CVE-2025-63261 primarily affects Awstats. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-63261?

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-2025-63261 have an EU (EUVD) identifier?

Yes. CVE-2025-63261 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-208911.

When was CVE-2025-63261 published?

CVE-2025-63261 was published on 2026-03-20 and last updated on 2026-06-17.

CVE-2025-63261

CVE-2025-63261 is a high-severity vulnerability in Awstats with a CVSS 3.x base score of 7.8. 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-78.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-208911
Weakness: CWE-78
Affected product: Awstats
Published: 2026-03-20
Last modified: 2026-06-17

Description

AWStats 8.0 is vulnerable to Command Injection via the open function

Frequently asked questions

What is CVE-2025-63261?: AWStats 8.0 is vulnerable to Command Injection via the open function
How severe is CVE-2025-63261?: CVE-2025-63261 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-63261 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-63261?: CVE-2025-63261 primarily affects Awstats. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-63261?: 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-2025-63261 have an EU (EUVD) identifier?: Yes. CVE-2025-63261 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-208911.
When was CVE-2025-63261 published?: CVE-2025-63261 was published on 2026-03-20 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:awstats:awstats:7.9:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

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