Read the docs
TI-2026-12860 Aliases CVE-2026-15283GHSA-rqrj-mfh4-2x3m

WPvivid Backup for MainWP <= 0.9.33 - Authenticated (Admin+) Stored Cross-Site Scripting

Priority LOW 20CWE-79Published · Updated

Key facts

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

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

Summary

The WPvivid Backup for MainWP plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 0.9.33 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00242 15th 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
wpvividpluginsWPvivid Backup for MainWPup to 0.9.33—No fix listedCNA
  • WPvivid Backup for MainWP Vendorwpvividplugins Affected up to 0.9.33 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-15283
  2. 2026-10-03 Alias added: GHSA-rqrj-mfh4-2x3m

References

Other 2

  • TI-2026-01062 Migration, Backup, Staging <= 0.9.123 - Unauthenticated Arbitrary File Upload CVSS 3.1CRITICAL 9.8
  • TI-2024-06776 Migration, Backup, Staging – WPvivid < 0.9.106 - Unauthenticated Sensitive Data Exposure CVSS 3.1HIGH 7.5
  • TI-2025-05384 Unrestricted file upload in wpvividplugins WPvivid — Backup, Migration & Staging CVSS 3.1HIGH 7.2
  • TI-2024-12890 Migration, Backup, Staging – WPvivid <= 0.9.112 - Authenticated (Admin+) Arbitrary File Upload via wpvivid_upload_file CVSS 3.1HIGH 7.2
  • TI-2024-02860 WPvivid Backup & Migration Plugin <= 0.9.99 - Authenticated (Admin+) PHAR Deserialization CVSS 3.1HIGH 7.2
  • TI-2024-01843 SQL injection in wpvividplugins Migration, Backup, Staging – WPvivid CVSS 3.1CRITICAL 9.8
See all 27 →

Sources

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