Public proof of conceptFix available

CVE-2023-30839

Q: Is CVE-2023-30839 actively exploited?

Active exploitation of CVE-2023-30839 has not been confirmed. Its EPSS score was 1.7% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2023-30839?

CVE-2023-30839 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

A public proof of concept exists; no exploitation attested.

Published2023-04-25
Fixed in8.0.4 · 1.7.8.9
WeaknessCWE-89

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

PrestaShop is an Open Source e-commerce web application. Versions prior to 8.0.4 and 1.7.8.9 contain a SQL filtering vulnerability. A BO user can write, update, and delete in the database, even without having specific rights. PrestaShop 8.0.4 and 1.7.8.9 contain a patch for this issue. There are no known workarounds.

Timeline

dates in UTC

2023-04-2519:15CVE publishedNVD
2026-10-2319:23First public proof of conceptPoC-in-GitHub

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-30839?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-30839?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV

PrestaShop

Branch	Affected	Fixed in	Source
8.0	≥ 8.0.0, < 8.0.4	8.0.4	NVD · OSV
1.7	< 1.7.8.9	1.7.8.9	NVD · OSV

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update PrestaShop to 8.0.4 · 1.7.8.9

Advisories and patches

github.comPatch
github.comPatch
github.comVendor Advisory

Detection

read 2026-10-23 19:23 UTC

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: 1 repository, unverifieddrkbcn/lblfixer_cve_2023_30839

Sources

CISA-ADPSSVC decisionnone2025-02-03
OpenCVESSVC decisionnone—
CNACVSS 3.19.9read 2026-10-23
NVDCVSS 3.18.8read 2026-10-23
CNAweakness (CWE)CWE-89read 2026-10-23
NVDweakness (CWE)CWE-89read 2026-10-23
FIRST EPSSEPSS score1.7 %2026-10-23
PoC-in-GitHubproof of concept1read 2026-10-23
OSVaffected packages—

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published: 2023-04-25
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2023-30839?

Is CVE-2023-30839 actively exploited?

Active exploitation of CVE-2023-30839 has not been confirmed. Its EPSS score was 1.7% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-30839?

CVE-2023-30839 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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