CVE-2022-28209

An issue was discovered in Mediawiki through 1.37.1

published March 30, 2022

CVSS
—
EPSS
1%
Percentile
70.6
In the wild
Unconfirmed
What it is

⚠️ A small oversight in MediaWiki's AntiSpoof extension could allow some sneaky impersonation opportunities! Think of the AntiSpoof extension as a bouncer at a club who’s supposed to check IDs but mistakenly lets in someone with a forged one — that’s how this permission check misfires! This could lead to unauthorized users impersonating legitimate accounts, potentially spreading misinformation or causing chaos on the platform. While it’s not currently exploited, the potential for harm is still worth noting!

Put simply

Think of the AntiSpoof extension as a bouncer at a club who’s supposed to check IDs but mistakenly lets in someone with a forged one — that’s how this permission check misfires! The flaw in the AntiSpoof extension arises from an incorrect check for the override-antispoof permission, allowing unauthorized users to bypass protections that prevent impersonation in MediaWiki versions up to 1.37.1.

What to do

This could lead to unauthorized users impersonating legitimate accounts, potentially spreading misinformation or causing chaos on the platform. While it’s not currently exploited, the potential for harm is still worth noting! To mitigate this vulnerability, it's important to update MediaWiki to the latest version where the issue has been resolved. Regularly auditing permissions and configurations can also help ensure user integrity across the platform. You've got this! Stay vigilant and keep your MediaWiki instance secure! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01320 · 70.6th percentile
Published
2022-03-30T00:00Z
EPSS history
Timeline
  • 30 MAR 00:00Z
    An issue was discovered in Mediawiki through 1.37.1
    cvelistv5