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WatchlistCritical

CVE-2018-19126Prestashop Unrestricted File Upload

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.

Published Nov 9, 2018 · Updated Aug 7, 2026

Key Facts

Patch immediately
  • CVE-2018-19126 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Prestashop.
  • It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
  • EPSS estimates a 23% probability of exploitation in the next 30 days.
  • Fixed versions are available, including Prestashop 1.6.1.23.
  • Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.

Scores

CVSS v3.1

9.8

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

23%

Higher than 97.6% of all scored CVEs

Exploit maturity

Proof of concept

ATLAS score

41/100

Publication score, see How it works

Exploitation Verdict

KEV listed

Not listed

Federal due date

None

No federal due date

Ransomware use

Not reported

Attributed actors

None named

Exploit & Defence Guidance

Exploit maturity

Proof of concept

Public exploit code

2

Proof-of-concept links

In-the-wild evidence

0

Reports of active use

Description

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.

Affected Products

1 affected entries in total
ProductAffected versionsFixed in
PrestashopPrestashopSee advisory1.6.1.23

Patched Releases

Prestashop

1.6.1.23

Timeline

  1. Publicly disclosed

    Nov 9, 2018

  2. Last updated

    Aug 7, 2026

Weakness Type

  • CWE-434 Unrestricted Upload of File with Dangerous Type

FAQ

Common Questions.

Is CVE-2018-19126 On Your Attack Surface?

Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.

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Figures as of Oct 19, 2026. Compiled by Brandefense technologies from public vulnerability catalogs; scoring as described in How it works.

To report an error, contact Brandefense.