How severe is CVE-2015-6727?

CVE-2015-6727 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2015-6727 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-6727?

CVE-2015-6727 primarily affects Mediawiki. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-6727?

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

When was CVE-2015-6727 published?

CVE-2015-6727 was published on 2015-09-01 and last updated on 2026-06-17.

CVE-2015-6727

CVE-2015-6727 is a medium-severity vulnerability in Mediawiki with a CVSS 2.0 base score of 5.0. 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-200.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Mediawiki
Published: 2015-09-01
Last modified: 2026-06-17

Description

The Special:DeletedContributions page in MediaWiki before 1.23.10, 1.24.x before 1.24.3, and 1.25.x before 1.25.2 allows remote attackers to determine if an IP is autoblocked via the "Change block" text.

Frequently asked questions

What is CVE-2015-6727?: The Special:DeletedContributions page in MediaWiki before 1.23.10, 1.24.x before 1.24.3, and 1.25.x before 1.25.2 allows remote attackers to determine if an IP is autoblocked via the "Change block" text.
How severe is CVE-2015-6727?: CVE-2015-6727 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2015-6727 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-6727?: CVE-2015-6727 primarily affects Mediawiki. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-6727?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-6727 published?: CVE-2015-6727 was published on 2015-09-01 and last updated on 2026-06-17.

References

Affected products (7)

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:1.25.0:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.25.1:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*

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