CVE-2023-29045Network attack vector

Stored XSS via unchecked insertDrawing operation data

Published Nov 2, 2023 · Updated Aug 2, 2024

Stored XSS in the office component of Open-Xchange GmbH OX App Suite 7.10.6-rev7 allows remote authenticated users to run script code. The collaboration-mode insertDrawing handler accepts invalid drawing-operation data, including script content, without type validation. Exploitation requires access to a shared document and an actively collaborating user, whose browser executes the injected code in that user's session.

CVSS severity5.4
Medium
EPSS probability0.38%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in the office component of Open-Xchange GmbH OX App Suite 7.10.6-rev7 allows remote authenticated users to run script code. The collaboration-mode insertDrawing handler accepts invalid drawing-operation data, including script content, without type validation. Exploitation requires access to a shared document and an actively collaborating user, whose browser executes the injected code in that user's session.

The record

CVE
CVE-2023-29045
Published
Nov 2, 2023
Updated
Aug 2, 2024
Vendor
Open-Xchange GmbH
Product
OX App Suite
Classifications
CWE-79, T1203
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Nov 2, 2023CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=7.10.6-rev7

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Open-Xchange GmbH · OX App Suiteversion=0 <=7.10.6-rev7

Published CVSS scores

5.4Open-Xchange GmbHCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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