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Product
Threat intelligence API
Get started
Live feed
Recipes
Free feeds
CLI & agents
The data
Incident records
Dark web
Validated IOCs
Vulnerabilities
Entity graph
For teams
For service providers
Use cases
About ThreatCluster
Docs
OpenAPI (Swagger)
ReDoc
Examples on GitHub
Quickstart & plans
Integrations
Export formats
CLI setup
Pricing
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Back
XS-Leak
Vulnerability
Threat entity extracted from intelligence sources
Entities
›
vulnerability
›
XS-Leak
Frequency
1
occurrences
First Seen
July 6, 2026
Last Seen
July 6, 2026
API
Overview
Recent Events
Profile
Profile
MITRE ATT&CK
1 / 2
MITRE Techniques
T1567 - Exfiltration Over Web Service
Affected Platforms
Opera GX
-
REC
Recon
No techniques detected
-
RD
Resource Dev
No techniques detected
-
IA
Initial Access
No techniques detected
-
EX
Execution
No techniques detected
-
PE
Persistence
No techniques detected
-
PE
Priv Esc
No techniques detected
-
DE
Defense Evasion
No techniques detected
-
CA
Cred Access
No techniques detected
-
DI
Discovery
No techniques detected
-
LM
Lateral Mov
No techniques detected
-
CO
Collection
No techniques detected
-
C2
C2
No techniques detected
1
EX
Exfil
T1567 - Exfiltration Over Web Service
-
IM
Impact
No techniques detected
1
techniques detected across
1
tactics
Related Clusters (1)
Critical Opera GX Vulnerability Enables CSS Injection and Data Theft
Jul 6
·
3 sources
71
Related Articles (1)
Opera GX Flaw Let Sites Auto
Infosecurity-Magazine
·
Jul 6
Related Entities
Data Breach
Denial-of-Service
CWE-200 - Exposure of Sensitive Information
T1567 - Exfiltration Over Web Service
Opera GX
