Description
A vulnerability was determined in Ascensio System SIA OnlyOffice up to 12.7.0. Impacted is an unknown function of the file /Products/Projects/Messages.aspx of the component Comment Handler. Executing manipulation can lead to cross site scripting. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor was informed early about this issue and replied: "We are already working on this case, and the issues will be resolved in one of the upcoming patches."
CVSS breakdown
CVSS 4.0
Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
Passive
Confidentiality (Vulnerable System)
None
Integrity (Vulnerable System)
Low
Availability (Vulnerable System)
None
Confidentiality (Subsequent System)
None
Integrity (Subsequent System)
None
Availability (Subsequent System)
None
E
Physical
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None
E
Physical
RL
X
RC
Changed
Affected products
- Ascensio System SIA / OnlyOffice12.0 – 12.0
- Ascensio System SIA / OnlyOffice12.1 – 12.1
- Ascensio System SIA / OnlyOffice12.2 – 12.2
- Ascensio System SIA / OnlyOffice12.3 – 12.3
- Ascensio System SIA / OnlyOffice12.4 – 12.4
- Ascensio System SIA / OnlyOffice12.5 – 12.5
- Ascensio System SIA / OnlyOffice12.6 – 12.6
- Ascensio System SIA / OnlyOffice12.7.0 – 12.7.0