Deserialization in Webdevstudios Constant Contact For WordPress

CVE-2025-48101

Deserialization of Untrusted Data vulnerability in webdevstudios Constant Contact for WordPress allows Object Injection. This issue affects Constant Contact for WordPress: from n/a through 4.1.1.

Vulnerability class: Insecure Deserialization

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (23.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 23.3% 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-2025-48101: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-48101?
CVE-2025-48101 is a high-severity vulnerability in Webdevstudios Constant Contact For WordPress, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2025-09-09.
How severe is CVE-2025-48101?
High severity. CVSS v3 base score is 8.8 out of 10.