Duplicator 1.5.17 - Multisite Subsite Admin+ Network-Wide PHP Code Execution via One-Click Upgrade
CVSS score
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EPSS probability
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Risk score
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Published
4 h ago
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Impact on My Inventory
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Vulnerability description
DayBreach AI Explanation
Verified against sourcesSources read
2
Source agreement
Tam uyum
Evidence confidence
%63
Short explanation
Duplicator version 1.5.17 allows non-network administrators of multisite child sites to abuse an unauthenticated one-click upgrade routine [S0]. This enables the execution of arbitrary PHP code in the network-wide shared directory [S0].
Multisite child site administrators can leverage this unauthenticated vulnerability to execute unauthorized PHP code network-wide, compromising system integrity [S0].
What should be done?
- Follow vendor advisories [S0]
Chain of evidence and sources
Duplicator 1.5.17, tek tıkla güncelleme yordamında kimlik doğrulaması ve kısıtlama eksikliği barındırır [S0].
Çoklu site alt site yöneticileri, ağ genelindeki paylaşılan dizinde keyfi PHP kodu çalıştırabilir [S0].
Show the technical text from the sources
The Duplicator WordPress plugin before 5.0.0 does not restrict its one-click upgrade routine to users allowed to install Duplicator WordPress plugin before 5.0.0, and additionally exposes the routine without authentication, allowing an administrator of a multisite child site who is not a network administrator to install and run arbitrary PHP in the network-wide shared Duplicator WordPress plugin before 5.0.0 directory.
This explanation was compiled automatically from the source records. Scores, active exploitation, patch and exploit status come straight from the sources.
IMPACT: Affected Products and Software
Affected Products
The following products are affected by CVE-2026-115251 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.
| ID | VENDOR | PRODUCT | ACTION |
|---|---|---|---|
| 1 | Unknown | Duplicator | View |
RED HAT CSAF/VEX: Product Impact Check
SCORING: CVSS from Multiple Sources
CVSS Scores
The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.
| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| The sources have not yet published a verified CVSS metric. | ||||
Patch and Remediation Guide
Solution & Remediation Advisory
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Public exploit and active exploitation status
Verified exploit intelligence
No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.
Weakness Classification and Attack Patterns (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-115251 is associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-115251 weaknesses.
Official Sources and Advisories
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