RCE in Fengoffice Feng Office
CVE-2026-90497
A vulnerability was determined in Fengoffice Feng Office up to 3.11.13.11. Affected by this vulnerability is the function getTitle of the file application/views/task/add_task.php of the component Task Title Output. Executing a manipulation of the argument og_objects.name 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 contacted early about this disclosure but did not respond in any way.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (26.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Fengoffice Feng Office — versions 3.11.13.0, 3.11.13.1, 3.11.13.10
Weakness classification (CWE)
References
- vuldb.com/vuln/403085 (technical-description, vdb-entry)
- vuldb.com/vuln/403085/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-90497 (third-party-advisory)
- vuldb.com/submit/892874 (third-party-advisory)
- drive.google.com/file/d/1Kel7JTTXVcLDPCVpR0LLbIYetANXvkX6/view (exploit)
Frequently asked questions
- What is CVE-2026-90497?
- CVE-2026-90497 is a low-severity vulnerability in Fengoffice Feng Office, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2026-09-13.
- How severe is CVE-2026-90497?
- Low severity. CVSS v3 base score is 3.5 out of 10.