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CVE-2024-47840

16
FAUCET Score

CVE-2024-47840 is a Stored Cross-site Scripting (XSS) vulnerability affecting the Wikimedia Mediawiki Apex skin, specifically versions 1.39.X prior to 1.39.9, 1.41.X prior to 1.41.3, and 1.42.X prior to 1.42.2. This medium-severity vulnerability (CVSS 4.8) requires high privileges and user interaction for exploitation, potentially leading to limited impact on confidentiality and integrity. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.13.0, < 1.39.9CPE matchmatch criteria
cpe:2.3:a:wikimedia:apex:*:*:*:*:*:*:*:*
>= 1.41.0, < 1.41.3CPE matchmatch criteria
cpe:2.3:a:wikimedia:apex:*:*:*:*:*:*:*:*
>= 1.42.0, < 1.42.2CPE matchmatch criteria
cpe:2.3:a:wikimedia:apex:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

6.9MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
VS Confidentiality
LOW
VS Integrity
LOW
VS Availability
NONE
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.31%
Probability of exploitation in next 30 days
EPSS Percentile
23.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0031 is in the 27th percentile among its peer group of 4,931 CVEs.

Social Chatter

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

Remediation records are not available for this CVE.

References

gerrit.wikimedia.org / r/q/Id9093783051c3f8e6dcb5dc89f9493a5f5cf7bd7
Patch
phabricator.wikimedia.org / T368628
Issue TrackingVendor Advisory
phabricator.wikimedia.org / T370081
ExploitIssue TrackingVendor Advisory