What is CVE-2019-8954?

CVE-2019-8954 is a high-severity vulnerability in Indexhibit, classified under Improper Input Validation. CVSS score: 8.8/10. Published 2019-02-20.

How severe is CVE-2019-8954?

High severity. CVSS v3 base score is 8.8 out of 10.

Improper input validation in Indexhibit

CVE-2019-8954

In Indexhibit 2.1.5, remote attackers can execute arbitrary code via the v parameter (in conjunction with the id parameter) in a upd_jxcode=true action to the ndxzstudio/?a=system URI.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2019-02-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.027 (85.4th percentile), scored 2026-10-07.

Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000

Affected products

Indexhibit — versions 2.1.5

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

www.iwantacve.cn/index.php/archives/112/ (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2019-8954?: CVE-2019-8954 is a high-severity vulnerability in Indexhibit, classified under Improper Input Validation. CVSS score: 8.8/10. Published 2019-02-20.
How severe is CVE-2019-8954?: High severity. CVSS v3 base score is 8.8 out of 10.