EUVD-2026-41241
GHSA-8728-ccm5-wcj7
Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:L
Browser-reachable unauthenticated WebSocket (AV:N/PR:N/AC:L) needs the victim to open a page (UI:R); it crosses from the addon into user data (S:C) exposing screen contents (C:H) with limited API side effects (I:L/A:L).
Primary rating from Vendor (GV).
CVSS VectorVendor: GV
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:L
Lifecycle Timeline
1DescriptionCVE.org
GeoWebPlayer (also called "Web Plugin" in the GV-VMS documentation and "WS Player" for VMS-Cloud) is an addon that can be installed with various GeoVision software (GV-VMS, GV-Cloud, ...). It creates a websocket server that expands the capabilities of the various web-interfaces provided by the GeoVision software and may be necessary for them to function properly.
In order to access the websocket server, no authentication is required. As such, any malicious website can attempt to open a connection to the server and potentially access sensitive APIs. In particular, it's possible to call a combination of the create method and getScreenCapture to retrieve the content of the user's screen.
AnalysisAI
Missing authentication in GeoVision's GeoWebPlayer addon (also branded 'Web Plugin' in GV-VMS and 'WS Player' in VMS-Cloud) lets any web page reach a locally-bound, unauthenticated WebSocket server and invoke sensitive APIs. By chaining the create method with getScreenCapture, a remote attacker who lures a victim to a malicious site can silently exfiltrate the contents of the user's screen. …
Unlock full vulnerability intelligence
- Risk assessment & exploitation conditions
- Attack chain visualization
- Remediation with exact patch versions
- Threat intelligence from 22 sources
- Personal watchlist & email alerts
Free forever · No credit card required
Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires that the GeoWebPlayer/Web Plugin/WS Player addon be installed and running (its WebSocket server active) on the victim's host, and that the victim open an attacker-controlled web page in a browser on that same host (UI:R). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | Signals are moderately consistent. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker sends a surveillance operator a link (phishing email, chat, or malvertising) to a booby-trapped web page. When the operator opens it in a browser on the machine running GeoWebPlayer, background JavaScript opens an unauthenticated WebSocket to the local server, calls `create` and then `getScreenCapture`, and streams the victim's screen contents - potentially exposing live camera feeds, credentials, or other on-screen data - back to the attacker. … |
| Remediation | No vendor-released patch version is identified in the available data; consult the GeoVision security portal at https://www.geovision.com.tw/cyber_security.php for an advisory and updated GeoWebPlayer/Web Plugin/WS Player build, and apply the fixed version once published. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Audit internal deployments of GeoVision products (GV-VMS, VMS-Cloud) and inventory affected user endpoints. …
Sign in for detailed remediation steps and compensating controls.
Threat intelligence, references, and detailed analysis are available after sign-in.
More in Geowebplayer
View allRemote code execution in GeoVision GeoWebPlayer (the browser-facing 'Web Plugin'/'WS Player' addon bundled with GV-VMS,
Cross-site WebSocket-driven buffer overflow in GeoVision GeoWebPlayer (the 'Web Plugin'/'WS Player' addon bundled with G
Buffer overflow vulnerabilities in GeoVision's GeoWebPlayer WebSocket addon (CWE-120) allow a remote attacker to induce
Remote code execution in GeoVision GeoWebPlayer (the "Web Plugin"/"WS Player" addon bundled with GV-VMS, GV-Cloud and VM
Out-of-bounds array access in GeoVision's GeoWebPlayer addon (also branded 'Web Plugin' in GV-VMS and 'WS Player' in VMS
Buffer overflow in GeoVision's GeoWebPlayer addon (also branded "Web Plugin" in GV-VMS and "WS Player" in VMS-Cloud) all
Stack buffer overflow in GeoVision's GeoWebPlayer addon (also branded "Web Plugin" for GV-VMS and "WS Player" for VMS-Cl
Out-of-bounds array access in GeoVision's GeoWebPlayer add-on (also branded 'Web Plugin' for GV-VMS and 'WS Player' for
Out-of-bounds array access in GeoVision's GeoWebPlayer (a.k.a. 'Web Plugin' / 'WS Player') addon lets an attacker read m
Out-of-bounds array indexing in GeoVision's GeoWebPlayer addon (also branded 'Web Plugin' in GV-VMS and 'WS Player' in V
Out-of-bounds array access in GeoVision GeoWebPlayer (a.k.a. "Web Plugin"/"WS Player"), a websocket-server addon bundled
Out-of-bounds array access in GeoVision's GeoWebPlayer (the 'Web Plugin'/'WS Player' addon bundled with GV-VMS, GV-Cloud
Same technique Authentication Bypass
View allShare
External POC / Exploit Code
Leaving vuln.today