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TI-2026-84955 Aliases CVE-2026-112243GHSA-4347-wh28-8rhq

Reflected cross-site scripting in Duplicator WordPress plugin

Priority LOW 25CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
High
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · Low
Fix status
Fixed

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

Summary

The Duplicator and duplicator-pro WordPress plugins before 5.1.0 do not sanitise and escape a parameter before reflecting it on an administrative page in certain configurations. This reflected cross-site scripting (CWE-79) runs in the session of a logged-in administrator. A remote attacker needs no privileges, but an administrator must be tricked into opening a crafted link. The references include a link to an exploit.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

Description from the CNA

The Duplicator WordPress plugin before 5.1.0, duplicator-pro WordPress plugin before 5.1.0 does not sanitise and escape a parameter before reflecting it on one of its administrative pages in certain configurations, leading to Reflected Cross-Site Scripting that executes in the session of a logged-in administrator who is tricked into opening a crafted link.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00153 4th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Duplicator (Unknown): 5.1.0duplicator-pro (Unknown): 5.1.0

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
UnknownDuplicatorbefore 5.1.05.1.0Patch availableCNA
Unknownduplicator-probefore 5.1.05.1.0Patch availableCNA
  • Duplicator VendorUnknown Affected before 5.1.0 Fixed in 5.1.0 Patch available CNA
  • duplicator-pro VendorUnknown Affected before 5.1.0 Fixed in 5.1.0 Patch available CNA

Remediation

Upgrade Duplicator and duplicator-pro to version 5.1.0, which fixes the flaw.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

  • Fix · CNA Duplicator (Unknown) Fixed in 5.1.0
  • Fix · CNA duplicator-pro (Unknown) Fixed in 5.1.0

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Duplicator, duplicator-pro 5.1.0

    3 records Highest priority Priority LOW 3 LOW

    Other records, highest priority first

    • TI-2026-84956 Full path disclosure in Duplicator WordPress plugin installer filesPriority LOW 30
    • TI-2026-84963 SQL injection in Duplicator restore via charset and collationPriority LOW 21
    Show all 3 records →

Timeline

  1. 2026-11-04 Threatist record created from CVE-2026-112243
  2. 2026-11-04 Alias added: GHSA-4347-wh28-8rhq
  3. 2026-11-04 CVSS score added · CISA ADP
  4. 2026-11-04 Weakness changed · CISA ADP
  5. 2026-11-04 CISA SSVC decision points changed

References

Exploit 1

Sources

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