CVE-2023-39526

CRITICALNVD 9.19.1—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.1 under NVD CVSS v3. EPSS exploit probability: 1.3%, top 32% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Elevated
9.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 2%CVSS: 9.1Exploit: Elevated riskExposed: 0

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

PrestaShop is an open source e-commerce web application. Versions prior to 1.7.8.10, 8.0.5, and 8.1.1 are vulnerable to remote code execution through SQL injection and arbitrary file write in the back office. Versions 1.7.8.10, 8.0.5, and 8.1.1 contain a patch. There are no known workarounds.

CVSS v3
9.1
EG Score
9.1(medium)
EG Risk
72(Track)
EG Risk 72/100SSVC: 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
Severity91% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
2%
EPSS %ILE
75%
KEV
Not listed

Published

August 7, 2023

Last Modified

November 21, 2024

Advisory Details (2)

Auto-updated Jul 21, 2026
Patch available. Sources: github_commit, github.
github Patch Available

SQL manager vulnerability (potential RCE) · Advisory · PrestaShop/PrestaShop · GitHub

https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-gf46-prm4-56pc
github_commit

commit 817847e23478 (PrestaShop/PrestaShop)

Fix landed in PrestaShop/PrestaShop commit 817847e23478 — awaiting tagged release

https://github.com/PrestaShop/PrestaShop/commit/817847e2347844a9b6add017581f1932bcd28c09

Affected Packages

(1 across 1 ecosystem)
Packagist(1)
PackageVulnerable rangeFixed inDependents
prestashop/prestashop1.7.0.0 ... 1.7.8.9 (77 versions)1.7.8.10—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 7× in last 7d / 46× 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. 2026-08-09 13:44 UTCEPSS rescore
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  1. 2026-07-23 14:16 UTCEPSS rescore
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  73. 2026-06-10 00:17 UTCOSV refresh
  74. 2026-06-08 14:16 UTCEPSS rescore
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Publicly available exploits

(1 reference)

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

  • GitHub PoCdnkhack/fixcve2023_39526_2023_39527
    First seen Aug 10, 2023

    Prestashop fix vulnerability CVE-2023-39526 & CVE-2023-39527

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2023-39526?
CVE-2023-39526 is a critical vulnerability published on August 7, 2023. PrestaShop is an open source e-commerce web application. Versions prior to 1.7.8.10, 8.0.5, and 8.1.1 are vulnerable to remote code execution through SQL injection and arbitrary file write in the back office. Versions 1.7.8.10, 8.0.5, and 8.1.1 contain a patch. There are no known workarounds.
When was CVE-2023-39526 disclosed?
CVE-2023-39526 was first published in the National Vulnerability Database on August 7, 2023, 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-2023-39526 actively exploited?
CVE-2023-39526 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2% probability of exploitation in the next 30 days, which ranks it in the top 25.3% of all scored CVEs.
What is the CVSS score of CVE-2023-39526?
CVE-2023-39526 has a CVSS v3 base score of 9.1 (NVD).
How do I remediate CVE-2023-39526?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-39526, 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.

Dependency Blast Radius

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