What’s Vulnerable › Vulnerabilities

CVE-2022-29853

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-12-26 · updated 2026-06-17
• Weakness: CWE-79

Description

OX App Suite through 8.2 allows XSS via a certain complex hierarchy that forces use of Show Entire Message for a huge HTML e-mail message.

Affected products

• Open-Xchange Appsuite: before 7.10.5; 7.10.5, 7.10.5-patch_release_5961, 7.10.5-patch_release_5973, 7.10.5-patch_release_5976, 7.10.5-patch_release_5982, 7.10.5-patch_release_5989 (+38) — fixed in 7.10.5

How to fix

Upgrade to a fixed version: Open-Xchange Appsuite 7.10.5. Check the vendor advisory for mitigations.

References

• https://open-xchange.com
• https://seclists.org/fulldisclosure/2022/Sep/0
• https://open-xchange.com
• https://seclists.org/fulldisclosure/2022/Sep/0

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