CVE-2025-10254

Low

Description

A vulnerability was found in Ascensio System SIA OnlyOffice up to 12.7.0. This issue affects some unknown processing of the file /Products/Projects/Messages.aspx of the component SVG Image Handler. Performing manipulation results in cross site scripting. The attack may be initiated remotely. The exploit has been made public and could be used. 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."

SeverityLow
CVSS3.5
Exploit probability—
ProductOnlyOffice
PublishedSep 11, 2025
First seenSep 11, 2025

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
Ascensio System SIA OnlyOffice12.0, 12.1, 12.2, 12.3, 12.4, 12.5, 12.6, 12.7.0—

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CVE-2025-10254 · OnlyOffice · Dark Radar