CVE-2025-10255
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-09-11

Last updated on: 2026-04-29

Assigner: VulDB

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 Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2025-09-11
Last Modified
2026-04-29
Generated
2026-05-07
AI Q&A
2025-09-11
EPSS Evaluated
2026-05-05
NVD
EUVD
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
ascensio_system_sia onlyoffice 12.0
ascensio_system_sia onlyoffice 12.7.0
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
CWE-94 The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability exists in Ascensio System SIA OnlyOffice up to version 12.7.0, specifically in an unknown function within the file /Products/Projects/Messages.aspx of the Comment Handler component. It allows an attacker to perform cross-site scripting (XSS) attacks by manipulating input, which can be executed remotely. This means an attacker could inject malicious scripts that run in the context of the affected application.


How can this vulnerability impact me? :

The vulnerability can lead to cross-site scripting attacks, which may allow attackers to execute malicious scripts in the context of the user's browser. This can result in unauthorized actions such as stealing session tokens, defacing websites, or redirecting users to malicious sites. Since the attack can be launched remotely, it poses a risk to users interacting with the affected component.


Ask Our AI Assistant
Need more information? Ask your question to get an AI reply (Powered by our expertise)
0/70
EPSS Chart