What is CVE-2018-10429?

CVE-2018-10429 is a critical-severity vulnerability in Cosmocms Cosmo, classified under Code Injection. CVSS score: 9.8/10. Published 2018-04-26.

How severe is CVE-2018-10429?

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

RCE in Cosmocms Cosmo

CVE-2018-10429

Cosmo 1.0.0Beta6 allows attackers to execute arbitrary PHP code via the Database Prefix field on the Database Info screen of install.php.

Vulnerability class: RCE (Remote Code Execution)

Published 2018-04-26 · 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: 0.018 (77.6th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000

Affected products

Cosmocms Cosmo — versions 1.0.0

Weakness classification (CWE)

CWE-94 — Code Injection

References

github.com/CosmoCMS/Cosmo/issues/405 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-10429?: CVE-2018-10429 is a critical-severity vulnerability in Cosmocms Cosmo, classified under Code Injection. CVSS score: 9.8/10. Published 2018-04-26.
How severe is CVE-2018-10429?: Critical severity. CVSS v3 base score is 9.8 out of 10.