Quick answers
- Is CVE-2026-112243 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-112243 being exploited in the wild.
- How severe is CVE-2026-112243?
- Informational severity, published 4 November 2026.
- Which products and versions are affected?
- Duplicator before 5.1.0; Duplicator Pro before 5.1.0.
- Is there a fix for CVE-2026-112243?
- Yes: fixed in 5.1.0. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-112243 attacked?
- It is attacked over the network, in a software library.
- Am I affected by CVE-2026-112243?
- Check whether you run Duplicator or Duplicator Pro at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
How to fix
- Fixed in: 5.1.0
Technical details
Reflected XSS vulnerability in the logname parameter on an administrative page due to missing input sanitization and output escaping. Attack requires tricking a logged-in administrator into clicking a malicious link; the vulnerability executes with administrator privileges. A fix is available in version 5.1.0.
Affected products
- Duplicator Duplicator before 5.1.0
- Duplicator Duplicator Pro before 5.1.0
Timeline
- 2026-11-02: disclosed