What is CVE-2018-8823?

CVE-2018-8823 is a critical-severity vulnerability in Prestashop, classified under Code Injection. CVSS score: 9.8/10. Published 2018-03-28.

How severe is CVE-2018-8823?

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

Is CVE-2018-8823 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Prestashop

CVE-2018-8823

modules/bamegamenu/ajax_phpcode.php in the Responsive Mega Menu (Horizontal+Vertical+Dropdown) Pro module 1.0.32 for PrestaShop 1.5.5.0 through 1.7.2.5 allows remote attackers to execute arbitrary PHP code via the code parameter.

Vulnerability class: RCE (Remote Code Execution)

Published 2018-03-28 · 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: 0.504 (98.9th percentile), scored 2026-10-19.

High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 98.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.504 · newest: 0.504 · change: 0.000

Affected products

Prestashop
Responsive Mega Menu Pro Project — versions 1.0.32

Weakness classification (CWE)

CWE-94 — Code Injection

Public proof-of-concept exploits

References

ia-informatica.com/it/CVE-2018-8823 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-8823?: CVE-2018-8823 is a critical-severity vulnerability in Prestashop, classified under Code Injection. CVSS score: 9.8/10. Published 2018-03-28.
How severe is CVE-2018-8823?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2018-8823 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.