Very High
CVE-2020-9758
CVE ID
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CVE-2020-9758
MITRE ATT&CK
Collection
Command and Control
Credential Access
Defense Evasion
Discovery
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
Topic Tags
Description
An issue was discovered in chat.php in LiveZilla Live Chat 8.0.1.3 (Helpdesk). A blind JavaScript injection lies in the name parameter. Triggering this can fetch the username and passwords of the helpdesk employees in the URI. This leads to a privilege escalation, from unauthenticated to user-level access, leading to full account takeover. The attack fetches multiple credentials because they are stored in the database (stored XSS). This affects the mobile/chat URI via the lgn and psswrd parameters.
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Ratings
-
Attacker ValueVery High
-
ExploitabilityMedium
Technical Analysis
This vulnerability is common in LiveZilla Live Chat 8.0.1.3 within the chat.php page. The vulnerability is a blind xss injection which lies within the name parameter which once triggered can pull username and passwords of employees.
This provides attackers with a privilege escalation from unauthenticated to a user which can lead to a full attack takeover.
This also has the potential to leak multiple credentials due to their storage within a database and is also confirmed to affect lgn and psswrd fields.
Due to this, it wouldn’t take an attacker much prior knowledge to find a payload which returns the credentials of a user and so providing access to a user.
For this reason, an attacker is presented with low risk, high reward attack vector.
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General Information
Vendors
- livezilla
Products
- livezilla
References
Miscellaneous
Additional Info
Technical Analysis
Report as Exploited in the Wild
CVE ID
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