CVE-2015-8623

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2015-8623
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-03-23 20:59:00 UTC
Updated2025-04-20 01:37:25 UTC
DescriptionThe User::matchEditToken function in includes/User.php in MediaWiki before 1.23.12 and 1.24.x before 1.24.5 does not perform token comparison in constant time before returning, which allows remote attackers to guess the edit token and bypass CSRF protection via a timing attack, a different vulnerability than CVE-2015-8624.

Risk And Classification

Primary CVSS: v3.0 8.8 HIGH from [email protected]

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Problem Types: CWE-352 | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary8.8HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
2.0[email protected]Primary6.8AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Mediawiki Mediawiki 1.24.0 All All All
Application Mediawiki Mediawiki 1.24.1 All All All
Application Mediawiki Mediawiki 1.24.2 All All All
Application Mediawiki Mediawiki 1.24.3 All All All
Application Mediawiki Mediawiki 1.24.4 All All All
Application Mediawiki Mediawiki All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
⚓ T119309 User::matchEditToken should use constant-time string comparison af854a3a-2127-422b-91ae-364da2661108 phabricator.wikimedia.org Patch, Third Party Advisory
Gerrit Code Review af854a3a-2127-422b-91ae-364da2661108 gerrit.wikimedia.org Issue Tracking, Third Party Advisory
oss-security - Re: CVE requests for MediaWiki 1.26.1, 1.25.4, 1.24.5 and 1.23.12 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Patch, Third Party Advisory
[MediaWiki-announce] Security Release: 1.26.1, 1.25.4, 1.24.5 and 1.23.12 af854a3a-2127-422b-91ae-364da2661108 lists.wikimedia.org Patch, Release Notes, Vendor Advisory
oss-security - CVE requests for MediaWiki 1.26.1, 1.25.4, 1.24.5 and 1.23.12 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Patch, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

© CVE.report 2026

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report