CVE-2018-19126

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-14. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 23%CVSS: 9.8Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

PrestaShop 1.6.x before 1.6.1.23 and 1.7.x before 1.7.4.4 allows remote attackers to execute arbitrary code via a file upload.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
65(Track*)
EG Risk 65/100SSVC: Track*

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation40% × 40%
Automatability30% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
23%
EPSS %ILE
98%
KEV
Not listed

Published

November 9, 2018

Last Modified

November 21, 2024

Advisory Details (4)

Auto-updated Sep 3, 2026
🔬 Proof of concept available. Upstream fix merged — awaiting tagged release. Sources: github_pr.
generic🟡 PoC Available

PrestaShop 1.6.x/1.7.x - Remote Code Execution - PHP webapps Exploit

https://www.exploit-db.com/exploits/45964/
github_pr

Fix filemanager security breaches

Fix merged in PrestaShop/PrestaShop PR #11286 on 2018-11-06 — awaiting tagged release

https://github.com/PrestaShop/PrestaShop/pull/11286
github_pr

Fix filemanager security breaches

Fix merged in PrestaShop/PrestaShop PR #11285 on 2018-11-06 — awaiting tagged release

https://github.com/PrestaShop/PrestaShop/pull/11285
generic

https://build.prestashop-project.org/news/2018/prestashop-1-7-4-4-1-6-1-23-maintenance-releases/

http://build.prestashop.com/news/prestashop-1-7-4-4-1-6-1-23-maintenance-releases/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 7× in last 7d / 23× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 128 total refreshes for this CVE.

  1. 2026-09-07 15:57 UTCEPSS rescore
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  1. 2026-08-06 13:42 UTCEPSS rescore
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  7. 2026-07-30 10:44 UTCOSV refresh
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  16. 2026-07-23 01:35 UTCEG score recompute
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  75. 2026-06-13 22:58 UTCEPSS rescore

Publicly available exploits

(2 references)

Working exploit code is in the public domain (1 GitHub PoC) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-45964
    First seen Dec 11, 2018

    PrestaShop 1.6.x/1.7.x - Remote Code Execution

    Open source ↗
  • GitHub PoCfarisv/PrestaShop-CVE-2018-19126
    First seen Dec 1, 2018

    PrestaShop (1.6.x <= 1.6.1.23 or 1.7.x <= 1.7.4.4) Back Office Remote Code Execution (CVE-2018-19126)

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2018-19126?
CVE-2018-19126 is a critical vulnerability published on November 9, 2018. PrestaShop 1.6.x before 1.6.1.23 and 1.7.x before 1.7.4.4 allows remote attackers to execute arbitrary code via a file upload.
When was CVE-2018-19126 disclosed?
CVE-2018-19126 was first published in the National Vulnerability Database on November 9, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-19126 actively exploited?
CVE-2018-19126 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 23% probability of exploitation in the next 30 days, which ranks it in the top 2.4% of all scored CVEs.
What is the CVSS score of CVE-2018-19126?
CVE-2018-19126 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2018-19126?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-19126, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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