What is CVE-2016-8899?

CVE-2016-8899 is a critical-severity vulnerability in Exponentcms Exponent Cms, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 9.8/10. Published 2019-05-23.

How severe is CVE-2016-8899?

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

Vulnerability in Exponentcms Exponent Cms

CVE-2016-8899

Exponent CMS version 2.3.9 suffers from a Object Injection vulnerability in framework/modules/core/controllers/expCatController.php related to change_cats.

EPSS: 0.021 (79.9th percentile) — read the EPSS interpretation.

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.

Affected products

Exponentcms Exponent_cms — versions 2.3.9
N/a — versions n/a

Weakness classification (CWE)

CWE-74 — Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection)

References

cve@mitre.org (Exploit, Mailing List, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2016-8899?: CVE-2016-8899 is a critical-severity vulnerability in Exponentcms Exponent Cms, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 9.8/10. Published 2019-05-23.
How severe is CVE-2016-8899?: Critical severity. CVSS v3 base score is 9.8 out of 10.