CVE-2015-8626: mediawiki Credentials Management Errors
CVSS: 9.8v3.0CriticalModified
AliasesUBUNTU-CVE-2015-8626DEBIAN-CVE-2015-8626
Published 23-03-2017Last modified 06-08-2024
Vulnerability summary
CVE-2015-8626 is a critical (CVSS 9.8) Credentials Management Errors vulnerability in mediawiki. EPSS estimates a 1.89% chance of exploitation in the next 30 days, higher than 79.3% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.0 (NVD)EPSS score
1.89%
0%100%
Low · +0.28 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 1Timeline
- 23-03-2017PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
The User::randomPassword function in MediaWiki before 1.23.12, 1.24.x before 1.24.5, 1.25.x before 1.25.4, and 1.26.x before 1.26.1 generates passwords smaller than $wgMinimalPasswordLength, which makes it easier for remote attackers to obtain access via a brute-force attack.
CVSS metrics
4 scores · 3 sources · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
1.89%
Chance of exploitation in the next 30 days
Percentile
79%
Versus all other CVEs
30-day change
+0.28 pp
From 1.61% on 21-09-2026
21-09-202621-10-2026
EPSS score1.89%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- mediawiki< 1:1.25.5-1
Mediawiki1 product
- mediawiki≤ 1.23.11 | 1.24.0 | 1.24.1 | 1.24.2 | 1.24.3 | 1.24.4 | 1.25.0 | 1.25.1 | 1.25.2 | 1.25.3 | 1.26.0
Ubuntu1 product
- mediawiki< 1:1.27.4-3
3 vendors · 3 products
References
7 links- lists.wikimedia.org/pipermail/mediawiki-announce/2015-December/000186.htmlMailing ListX Refsource MLISTPatchRelease NotesVendor Advisory
- www.openwall.com/lists/oss-security/2015/12/23/7Mailing ListX Refsource MLISTPatchThird Party Advisory
- www.openwall.com/lists/oss-security/2015/12/21/8Mailing ListX Refsource MLISTPatchThird Party Advisory