An issue was discovered in Open-Xchange OX App Suite before 7.8.2-rev5.
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
An issue was discovered in Open-Xchange OX App Suite before 7.8.2-rev5. JavaScript code can be used as part of ical attachments within scheduling E-Mails. This content, for example an appointment's location, will be presented to the user at the E-Mail App, depending on the invitation workflow. This code gets executed within the context of the user's current session. Malicious script code can be executed within a user's context. This can lead to session hijacking or triggering unwanted actions via the web interface (sending mail, deleting data etc.).
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:open-xchange:open-xchange_appsuite:*:rev4:*:*:*:*:*:* | up to 7.8.2 | Vulnerable | Open-Xchange GmbH |
- cpe:2.3:a:open-xchange:open-xchange_appsuite:*:rev4:*:*:*:*:*:* Versions up to 7.8.2 Vulnerable ·Open-Xchange GmbH
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2016-5740
- 2026-10-03 Alias added: GHSA-hrv2-h7rh-2wq4
References
More Open-Xchange GmbH Open-xchange Appsuite vulnerabilities
- TI-2022-17394 OX App Suite through 7.10.6 allows SSRF because the anti-SSRF protection mechanism only… CVSS 3.1MEDIUM 5.3
- TI-2022-17393 OX App Suite through 7.10.6 has Uncontrolled Resource Consumption via a large request… CVSS 3.1MEDIUM 5.3
- TI-2022-17392 OX App Suite through 7.10.6 has Uncontrolled Resource Consumption via a large location… CVSS 3.1MEDIUM 5.3
- TI-2022-17391 OX App Suite through 7.10.6 allows XSS via a malicious capability to the metrics or help… CVSS 3.1MEDIUM 6.1
- TI-2022-17390 OX App Suite through 7.10.6 allows XSS via script code within a contact that has an e-mail address but lacks a name. CVSS 3.1MEDIUM 6.1
- TI-2022-17389 OX App Suite through 7.10.6 allows XSS via HTML in text/plain e-mail messages. CVSS 3.1MEDIUM 6.1
Sources
- CVE-2016-5740 · CVE Program
- CVE-2016-5740 · NVD
- FIRST EPSS
- GHSA-hrv2-h7rh-2wq4 · GitHub Advisory Database · CC BY 4.0
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