How severe is CVE-2015-8001?

CVE-2015-8001 has a CVSS 2.0 base score of 3.5, rated low severity.

Is CVE-2015-8001 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-8001?

CVE-2015-8001 primarily affects Mediawiki. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-8001?

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

When was CVE-2015-8001 published?

CVE-2015-8001 was published on 2015-11-09 and last updated on 2026-06-17.

CVE-2015-8001

CVE-2015-8001 is a low-severity vulnerability in Mediawiki with a CVSS 2.0 base score of 3.5. 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-284.

Key facts

Severity: Low (CVSS 2.0 base score 3.5)
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Mediawiki
Published: 2015-11-09
Last modified: 2026-06-17

Description

The chunked upload API (ApiUpload) in MediaWiki before 1.23.11, 1.24.x before 1.24.4, and 1.25.x before 1.25.3 does not restrict the uploaded data to the claimed file size, which allows remote authenticated users to cause a denial of service via a chunk that exceeds the file size.

Frequently asked questions

What is CVE-2015-8001?: The chunked upload API (ApiUpload) in MediaWiki before 1.23.11, 1.24.x before 1.24.4, and 1.25.x before 1.25.3 does not restrict the uploaded data to the claimed file size, which allows remote authenticated users to cause a denial of service via a chunk that exceeds the file size.
How severe is CVE-2015-8001?: CVE-2015-8001 has a CVSS 2.0 base score of 3.5, rated low severity.
Is CVE-2015-8001 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-8001?: CVE-2015-8001 primarily affects Mediawiki. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-8001?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-8001 published?: CVE-2015-8001 was published on 2015-11-09 and last updated on 2026-06-17.

References

Affected products (8)

cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.24.0:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.24.1:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.24.2:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.24.3:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.25.0:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.25.1:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.25.2:*:*:*:*:*:*:*

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