WordPress Backup Migration plugin <= 2.1.1 - Sensitive Data Exposure vulnerability

published 2026-06-15 4 mo ago modified 2026-10-25 14 d ago also EUVD-2026-36939

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 31%
public exploits: 0; none known

Unauthenticated Sensitive Data Exposure in Backup Migration <= 2.1.1 versions.

Patch / fix

fixed in 1

Inisev Backup Migration 2.1.2

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 4 mo ago (2026-06-16)

Exploit prediction

0.38% chance of exploitation in the next 30 days, higher than 31% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

Inisev Backup Migration

Classification

Weakness

CWE-201 Insertion of Sensitive Information Into Sent Data

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/wordpress/plugin/backup-backup/vulnerability/wordpress-backup-migration-plugin-2-1-1-sensitive-data-
vdb-entry

Sources

CVE List CVE-2026-39480
NVD CVE-2026-39480

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