CVE-2025-10255

Summary

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."

Affected Software

VendorProductVersion RangeStatus
Ascensio System SIAOnlyOffice12.0affected
Ascensio System SIAOnlyOffice12.1affected
Ascensio System SIAOnlyOffice12.2affected
Ascensio System SIAOnlyOffice12.3affected
Ascensio System SIAOnlyOffice12.4affected
Ascensio System SIAOnlyOffice12.5affected
Ascensio System SIAOnlyOffice12.6affected
Ascensio System SIAOnlyOffice12.7.0affected

Weaknesses

  • CWE-79: Cross Site Scripting
  • CWE-94: Code Injection

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: poc
    • Automatable: no
    • Technical Impact: partial

Additional References

References