WordPress Constant Contact Forms plugin <= 2.0.3 - Broken Access Control vulnerability

published 2024-12-13 22 mo ago modified 2026-06-17 4 mo ago also EUVD-2023-38467

cvss: 4.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 40%
public exploits: 0; none known

Missing Authorization vulnerability in Constant Contact Constant Contact Forms allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Constant Contact Forms: from n/a through 2.0.3.

Patch / fix

fixed in 1

Constant Contact Constant Contact Forms 2.1.0

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 22 mo ago (2024-12-13)

Exploit prediction

0.47% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Affected products

Constant Contact Constant Contact Forms

Classification

Weakness

CWE-862 Missing Authorization

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/wordpress/plugin/constant-contact-forms/vulnerability/wordpress-constant-contact-forms-plugin-1-14-0
vdb-entry

Sources

CVE List CVE-2023-34387
NVD CVE-2023-34387

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.

Summary