What is CVE-2023-39681?

CVE-2023-39681 is a critical-severity vulnerability in Cuppacms, classified under Code Injection. CVSS score: 9.8/10. Published 2023-09-05.

How severe is CVE-2023-39681?

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

Is CVE-2023-39681 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Cuppacms

CVE-2023-39681

Cuppa CMS v1.0 was discovered to contain a remote code execution (RCE) vulnerability via the email_outgoing parameter at /Configuration.php. This vulnerability is triggered via a crafted payload.

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.014 (69.5th percentile) — read the EPSS interpretation.

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.

Affected products

Cuppacms — versions 1.0
N/a — versions n/a

Weakness classification (CWE)

CWE-94 — Code Injection

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-39681?: CVE-2023-39681 is a critical-severity vulnerability in Cuppacms, classified under Code Injection. CVSS score: 9.8/10. Published 2023-09-05.
How severe is CVE-2023-39681?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-39681 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.