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TI-2021-14973 Aliases CVE-2021-36884GHSA-5q55-ghjj-wjrp

WordPress Backup Migration plugin <= 1.1.5 - Authenticated Persistent Cross-Site Scripting (XSS) vulnerability

Priority LOW 25CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

Authenticated Persistent Cross-Site Scripting (XSS) vulnerability discovered in WordPress Backup Migration plugin <= 1.1.5 versions.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0057 47th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
migrateBackup Migration (WordPress plugin)<= 1.1.5 – 1.1.5—No fix listedCNA
  • Backup Migration (WordPress plugin) Vendormigrate Affected <= 1.1.5 – 1.1.5 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:backupbliss:backup_migration:*:*:*:*:*:wordpress:*:*up to 1.1.5Vulnerablemigrate
  • cpe:2.3:a:backupbliss:backup_migration:*:*:*:*:*:wordpress:*:* Versions up to 1.1.5 Vulnerable ·migrate

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-36884
  2. 2026-10-03 Alias added: GHSA-5q55-ghjj-wjrp

References

Patch 1

Advisory 1

  • TI-2023-06004 Backup Migration <= 1.3.7 - Unauthenticated Remote Code Execution CVSS 3.1CRITICAL 9.8
  • TI-2023-05759 Backup Migration Staging < 1.3.6 - Sensitive Data Exposure CVSS 3.1HIGH 7.5
  • TI-2023-06399 Backup Migration <= 1.3.9 - Authenticated (Admin+) OS Command Injection via url CVSS 3.1HIGH 7.2
  • TI-2023-06373 The Backup Migration plugin for WordPress is vulnerable to Remote File Inclusion in… CVSS 3.1CRITICAL 9.8
  • TI-2023-06374 Backup Migration <= 1.3.9 - Unauthenticated Path Traversal to Arbitrary File Deletion CVSS 3.1CRITICAL 9.8
  • TI-2023-05754 Backup Migration <= 1.3.6 - Unauthenticated Arbitrary Backup Download to Sensitive Information Exposure CVSS 3.1HIGH 7.5
See all 8 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences