What is CVE-2023-39640?

CVE-2023-39640 is a critical-severity vulnerability in Uplight Cookie Law, classified under SQL Injection. CVSS score: 9.8/10. Published 2023-09-25.

How severe is CVE-2023-39640?

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

SQL Injection in Uplight Cookie Law

CVE-2023-39640

UpLight cookiebanner before 1.5.1 was discovered to contain a SQL injection vulnerability via the component Hook::getHookModuleExecList().

Vulnerability class: SQL Injection

Published 2023-09-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (47.0th percentile), scored 2026-10-05.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.001

Affected products

Uplight Cookie Law

Weakness classification (CWE)

CWE-89 — SQL Injection

References

security.friendsofpresta.org/modules/2023/09/21/cookiebanner.html (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2023-39640?: CVE-2023-39640 is a critical-severity vulnerability in Uplight Cookie Law, classified under SQL Injection. CVSS score: 9.8/10. Published 2023-09-25.
How severe is CVE-2023-39640?: Critical severity. CVSS v3 base score is 9.8 out of 10.