Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2015-8626

30
FAUCET Score

CVE-2015-8626 describes a critical vulnerability in MediaWiki versions prior to 1.23.12, 1.24.5, 1.25.4, and 1.26.1, where the User::randomPassword function generates passwords shorter than the configured minimum length. This flaw significantly weakens password security, making affected MediaWiki installations susceptible to brute-force attacks. Rated with a CVSS score of 9.8 (CRITICAL), this vulnerability is easily exploitable over the network with low attack complexity, potentially leading to complete compromise of confidentiality, integrity, and availability. The EPSS score is low, suggesting a low probability of exploitation in the wild. Despite its high severity, there is no evidence of active exploitation, and no public exploit code is available on platforms like Metasploit, Nuclei, or ExploitDB. However, the vulnerability has garnered significant community discussion, indicating awareness among security researchers.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.23.11CPE matchmatch criteria
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
1.24.0CPE matchmatch criteria
cpe:2.3:a:mediawiki:mediawiki:1.24.0:*:*:*:*:*:*:*
1.24.1CPE matchmatch criteria
cpe:2.3:a:mediawiki:mediawiki:1.24.1:*:*:*:*:*:*:*
1.24.2CPE matchmatch criteria
cpe:2.3:a:mediawiki:mediawiki:1.24.2:*:*:*:*:*:*:*
1.24.3CPE matchmatch criteria
cpe:2.3:a:mediawiki:mediawiki:1.24.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.89%
Probability of exploitation in next 30 days
EPSS Percentile
77.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0189 is in the 66th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

lists.wikimedia.org / pipermail/mediawiki-announce/2015-December/000186.html
PatchRelease NotesVendor Advisory
phabricator.wikimedia.org / T115522
PatchThird Party Advisory
openwall.com / lists/oss-security/2015/12/21/8
Mailing ListPatchThird Party Advisory
openwall.com / lists/oss-security/2015/12/23/7
Mailing ListPatchThird Party Advisory