XSS in Open-Xchange Ox App Suite
CVE-2024-23187
Content-ID based embedding of resources in E-Mails could be abused to trigger client-side script code when using the "show more" option. Attackers could perform malicious API requests or extract information from the users account. Exploiting the vulnerability requires user interaction. Please deploy the provided updates and patch releases. CID replacement has been hardened to omit invalid identifiers. No publicly available exploits are known.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.005 (39.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 39.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- documentation.open-xchange.com/appsuite/releases/8.22/ (release-notes, Release Notes)
- documentation.open-xchange.com/appsuite/security/advisories/csaf/2024/oxas-adv-… (vendor-advisory, Issue Tracking, Vendor Advisory)
- seclists.org/fulldisclosure/2024/May/3 (Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2024-23187?
- CVE-2024-23187 is a medium-severity vulnerability in Open-Xchange Ox App Suite, classified under Cross-site Scripting. CVSS score: 6.5/10. Published 2024-05-06.
- How severe is CVE-2024-23187?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2024-23187 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.