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-2019-12467

18
FAUCET Score

CVE-2019-12467 is an Incorrect Access Control vulnerability in MediaWiki versions up to 1.32.1, allowing unauthenticated attackers to use the Special:ChangeEmail function to send spam without rate limiting or blocking. Rated 5.3 Medium, this vulnerability has a low attack complexity and can lead to a loss of integrity. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.27.6CPE matchmatch criteria
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
>= 1.30.0, < 1.30.2CPE matchmatch criteria
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
>= 1.31.0, < 1.31.2CPE matchmatch criteria
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
>= 1.32.0, < 1.32.2CPE matchmatch criteria
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.26%
Probability of exploitation in next 30 days
EPSS Percentile
66.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0126 is in the 46th percentile among its peer group of 23,725 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (4)

composerpatch availablevia ghsa
Product: mediawiki/coreFixed in: 1.27.6
composerpatch availablevia ghsa
Product: mediawiki/coreFixed in: 1.30.2
composerpatch availablevia ghsa
Product: mediawiki/coreFixed in: 1.31.2
composerpatch availablevia ghsa
Product: mediawiki/coreFixed in: 1.32.2

Vendor Advisories (1)

composerGHSA-6vfg-8ppv-h5hgmedium

MediaWiki Incorrect Access Control vulnerability

May 24, 2022

References

lists.wikimedia.org / pipermail/wikitech-l/2019-June/092152.html
Third Party Advisory
phabricator.wikimedia.org / T209794
PatchThird Party Advisory
seclists.org / bugtraq/2019/Jun/12
Mailing ListThird Party Advisory
debian.org / security/2019/dsa-4460
Third Party Advisory