WordPress App Builder plugin <= 3.8.7 - Open Redirection vulnerability

published 2024-04-10 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-29178

cvss: 4.7; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 26%
public exploits: 0; none known

URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Appcheap.Io App Builder.This issue affects App Builder: from n/a through 3.8.7.

Patch / fix

fixed in 1

Appcheap.io App Builder 3.8.8

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-04-10)

Exploit prediction

0.33% chance of exploitation in the next 30 days, higher than 26% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	4.7	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
NVD	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

Appcheap.io App Builder

Classification

Weakness

CWE-601 URL Redirection to Untrusted Site

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/vulnerability/app-builder/wordpress-app-builder-plugin-3-8-7-open-redirection-vulnerability?_s_id=cv
vdb-entry, third-party-advisory

Sources

CVE List CVE-2024-31282
NVD CVE-2024-31282

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