CVE-2023-45367 Details
An issue was discovered in the CheckUser extension for MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. A user can use a rest.php/checkuser/v0/useragent-clienthints/revision/ URL to store an arbitrary number of rows in cu_useragent_clienthints, leading to a denial of service.
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Exploit prediction scoring system (EPSS) score for CVE-2023-45367
EPSS (Exploit Prediction Scoring System): EPSS predicts the likelihood that a vulnerability will be exploited in the wild. A higher percentage means a greater chance of an exploit occurring. The EPSS model produces a probability score between 0 and 1 (0 and 100%).
0.14 Probability of exploitation activity being observed over the next 30 days (34th percentile)
CVSS score for CVE-2023-45367
CVSS (Common Vulnerability Scoring System): An open framework owned and managed by FIRST.Org, Inc. that assigns a numerical score from 0 to 10 to software vulnerabilities to indicate their severity.
6.5 Medium
Products affected by CVE-2023-45367
Mediawiki 1.12.4
Mediawiki 1.13.0
Mediawiki 1.13.1
Mediawiki 1.13.2
Mediawiki 1.13.3
DVE Score by Bitsight AI
DVE scores complement traditional static scoring systems like CVSS with Bitsight AI powered real-time threat intelligence and underground cyber criminal activity so that security teams can reduce alert fatigue and focus on vulnerabilities most likely to be exploited.
Not available
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CVE-2023-45367 Global Footprint

Top 10 Identified Countries

Country Observations Percentage
US 3,272 33.40%
DE 1,790 18.27%
FR 698 7.12%
RU 665 6.79%
NL 388 3.96%
GB 331 3.38%
CA 277 2.83%
JP 175 1.79%
CH 158 1.61%
CZ 142 1.45%

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CVE-2023-45367 Industry Footprint

Top 10 Identified Industries

*Service provider organizations (typically Technology and Telecommunications) are disproportionally represented in the results given their upstream ownership of end-user infrastructure. See our FAQs.

Industry* Observations Percentage
Technology 8,232 86.73%
Telecommunications 521 5.49%
Education 507 5.34%
Business Services 62 0.65%
Government/Politics 54 0.57%
Utilities 19 0.20%
Manufacturing 18 0.19%
Media/Entertainment 14 0.15%
Nonprofit/NGO 13 0.14%
Finance 13 0.14%

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