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)

Published · last modified .

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: 0.017 (77.0th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 77.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-39681: held from 0.017 to 0.017.

EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

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.