What is CVE-2018-10469?

CVE-2018-10469 is a critical-severity vulnerability in B3log Symphony, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2018-04-27.

How severe is CVE-2018-10469?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Arbitrary file upload in B3log Symphony

CVE-2018-10469

b3log Symphony (aka Sym) 2.6.0 allows remote attackers to upload and execute arbitrary JSP files via the name[] parameter to the /upload URI.

Vulnerability class: Unrestricted File Upload

Published 2018-04-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.021 (81.2th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.022 · newest: 0.021 · change: -0.000

Affected products

B3log Symphony — versions 2.6.0

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

github.com/b3log/symphony/issues/620 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-10469?: CVE-2018-10469 is a critical-severity vulnerability in B3log Symphony, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2018-04-27.
How severe is CVE-2018-10469?: Critical severity. CVSS v3 base score is 9.8 out of 10.