CVE-2026-40754— WordPress Roisin theme <= 1.4 - PHP Object Injection vulnerability
Quick assessment
Affected
Elated-Themes Roisin
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Elated-Themes Roisin是Elated-Themes的一个主题模板产品。 Elated-Themes Roisin 1.4及之前版本存在反序列化漏洞，该漏洞源于未认证的PHP对象注入，可能导致未经验证的攻击者执行任意代码。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Elated-Themes | Roisin | n/a≤ 1.4 |
affected |
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I. Basic Information for CVE-2026-40754
Vulnerability Information
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Vulnerability Title
WordPress Roisin theme <= 1.4 - PHP Object Injection vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Unauthenticated PHP Object Injection in Roisin <= 1.4 versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
Elated-Themes Roisin 反序列化漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Elated-Themes Roisin是Elated-Themes的一个主题模板产品。 Elated-Themes Roisin 1.4及之前版本存在反序列化漏洞，该漏洞源于未认证的PHP对象注入，可能导致未经验证的攻击者执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Elated-Themes | Roisin | n/a ~ 1.4 | - |
|
II. Public POCs for CVE-2026-40754
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Elated-Themes · 2026-06-16 · 9 CVEs total
| CVE-2026-39522 | 8.1 HIGH | WordPress Solene theme <= 3.4 - Local File Inclusion vulnerability |
| CVE-2026-39577 | 8.1 HIGH | WordPress Playroom theme <= 1.4.1 - PHP Object Injection vulnerability |
| CVE-2026-39549 | 8.1 HIGH | WordPress Aperitif theme <= 1.5 - Local File Inclusion vulnerability |
| CVE-2026-39554 | 8.1 HIGH | WordPress Fidalgo theme <= 1.2.2 - PHP Object Injection vulnerability |
| CVE-2026-39557 | 8.1 HIGH | WordPress NeoBeat theme <= 1.7 - PHP Object Injection vulnerability |
| CVE-2026-39578 | 8.1 HIGH | WordPress Valiance theme <= 1.2 - PHP Object Injection vulnerability |
| CVE-2026-39568 | 8.1 HIGH | WordPress Mr. SEO theme <= 2.0 - Local File Inclusion vulnerability |
| CVE-2026-40758 | 8.1 HIGH | WordPress Léonie theme <= 1.2.1 - PHP Object Injection vulnerability |
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