Duplicator < 5.1.0 - Reflected XSS via 'logname' Parameter
Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.
- Exploited
- No known exploitation
- Fix
- Fixed in 5.1.0
- Who is exposed
- Not reported
Do first: Upgrade to a fixed version: 5.1.0.
- Exploitation0/40No signal
- Exposure7/25Reachable over the network without a login · Data gap: No advisory context yet
- Reach?/20Reach: unknown (data gap). No tracked technology or package matched
- Severity5.8/10CVSS 5.8
- No patch0/5No signal
What would change the score
- Would score about 68 if added to CISA KEV
- Would score about 63 if CISA's SSVC rates exploitation active
- Would score about 28 if advisories confirm default setups are exposed
CVE-2026-112243 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 5.8 (medium) and affects Duplicator and duplicator-pro; fixed in 5.1.0.
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- Published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- FIRST's estimate of the chance attackers exploit it in the next 30 days, updated daily.What do these mean? →
- 0.16% · 5th percentile
- A 0-100 score for how much a CVE matters across the industry: exploitation, exposure, how widely the software is used, severity and whether a fix exists.What do these mean? →
- 13/100 · provisional
- Fix
- Fixed in 5.1.0
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
- Exploitation: none
- Automatable: no
- Technical impact: partial
Summary
The Duplicator and Duplicator Pro WordPress plugins are affected by a reflected cross-site scripting flaw in one of their administrative pages, which occurs in certain configurations. An attacker could run scripts in the session of a logged-in administrator who is tricked into opening a crafted link.
Read the original description
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.
What to do
Upgrade to a fixed version: 5.1.0.
Timeline
- CVE published
- First seen by cve.now
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- Unknown Duplicator
fixed in 5.1.0
- Unknown duplicator-pro
fixed in 5.1.0
Evidence 1
- Exploit
Corrections
None so far.
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Questions about CVE-2026-112243
Is CVE-2026-112243 being exploited?
It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.Source: cve.now feed data
Which versions are affected by CVE-2026-112243?
Duplicator: before 5.1.0. duplicator-pro: before 5.1.0.Source: cve.now feed data
How do I fix CVE-2026-112243?
Upgrade to a fixed version: 5.1.0.Source: cve.now feed data