Vulnerability Monitor

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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.

Security Impact Summary

CVE-2015-6727 is a security vulnerability that . Impacting 2 products from mediawiki, from canonical organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2015, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2015-09-01T14:59:04.947

Last Modified

2026-05-06T22:30:45.220

Status

Modified

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:N/A:N

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-200

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	mediawiki	mediawiki	≤ 1.23.9	Yes
Application	mediawiki	mediawiki	1.24.0	Yes
Application	mediawiki	mediawiki	1.24.1	Yes
Application	mediawiki	mediawiki	1.24.2	Yes
Application	mediawiki	mediawiki	1.25.0	Yes
Application	mediawiki	mediawiki	1.25.1	Yes
Operating System	canonical	ubuntu_linux	15.04	Yes

References

http://lists.fedoraproject.org/pipermail/package-announce/2015-August/165193.html ([email protected])
http://www.openwall.com/lists/oss-security/2015/08/12/6 ([email protected])
http://www.openwall.com/lists/oss-security/2015/08/27/6 ([email protected])
https://github.com/wikimedia/mediawiki/commit/5faabfa1bbf65536ea36108887040198afcb3c82 ([email protected])
https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-August/000179.html Vendor Advisory ([email protected])
https://phabricator.wikimedia.org/T106893 ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2015-August/165193.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2015/08/12/6 (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2015/08/27/6 (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/wikimedia/mediawiki/commit/5faabfa1bbf65536ea36108887040198afcb3c82 (af854a3a-2127-422b-91ae-364da2661108)
https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-August/000179.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://phabricator.wikimedia.org/T106893 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For mediawiki's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.