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CVE-2025-10254— Ascensio System SIA OnlyOffice SVG Image Messages.aspx cross site scripting

CVSS 3.5 · Low EPSS 0.03% · P8
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I. Basic Information for CVE-2025-10254

Vulnerability Information
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Vulnerability Title
Ascensio System SIA OnlyOffice SVG Image Messages.aspx cross site scripting
Source: NVD (National Vulnerability Database)
Vulnerability 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."
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Ascensio System ONLYOFFICE 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Ascensio System ONLYOFFICE是拉脱维亚Ascensio System公司的一款办公软件。 Ascensio System ONLYOFFICE 12.7.0及之前版本存在安全漏洞，该漏洞源于文件/Products/Projects/Messages.aspx中SVG Image Handler组件处理不当，可能导致跨站脚本攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
Ascensio System SIAOnlyOffice 12.0 -

II. Public POCs for CVE-2025-10254

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III. Intelligence Information for CVE-2025-10254

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IV. Related Vulnerabilities

Same product: OnlyOffice
Same vendor: Ascensio System SIA
Same weakness: CWE-79

V. Comments for CVE-2025-10254

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