Is CVE-2023-39640 actively exploited?

No active exploitation of CVE-2023-39640 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-39640 be exploited remotely?

Yes. CVE-2023-39640 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-39640?

CVE-2023-39640 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2023-39640

CRITICAL

CVE-2023-39640

CWE-89Published: September 25, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

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

NVD Source

Risk Analysis

UpLight cookiebanner contains a SQL injection vulnerability within its Hook component. This critical flaw allows unauthenticated remote attackers to manipulate database queries.

No public exploit is known, and it is not in the KEV catalog. The vulnerability is remotely exploitable.

Recommended Action

Update to UpLight cookiebanner version 1.5.1 or later.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-39640 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-89): SQL injection vulnerabilities allow attackers to manipulate database queries, potentially exposing or modifying sensitive data.