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Fencer Vulns
high 7.5

CVE-2023-6271 json

Backup Migration Staging < 1.3.6 - Sensitive Data Exposure

published 2024-01-01 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-58515

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 52%
public exploits
0
none known

Summary

The Backup Migration WordPress plugin before 1.3.6 stores in-progress backups information in easy to find, publicly-accessible files, which may allow attackers monitoring those to leak sensitive information from the site's backups.

Patch / fix

  • Unknown Backup Migration 1.3.6

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
23 mo ago

Exploit prediction

0.69% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • wpscan.com https://wpscan.com/vulnerability/7ac217db-f332-404b-a265-6dc86fe747b9 referenced PoC, tagged "exploit" by a source, unverified
  • research.cleantalk.org https://research.cleantalk.org/cve-2023-6271-backup-migration-unauth-sensitive-data-exposure-to-full-control-of-the-site-poc-exploit referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

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

  • Unknown Backup Migration

Classification

Technology feeds

References

Sources

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.