Page Builder: KingComposer < 2.9.4 - Arbitrary File Upload
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-434.
Summary
The Page Builder: KingComposer plugin for WordPress is vulnerable to Arbitrary File Uploads in versions up to, and including, 2.9.3 via the 'process_bulk_action' function in the 'kingcomposer/includes/kc.extensions.php' file. This makes it possible for authenticated users with author level permissions and above to upload arbitrary files onto the server which can be used to execute code on the server.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| King-Theme | Page Builder: KingComposer – Free Drag and Drop page builder by King-Theme | up to 2.9.3 | — | No fix listed | CNA |
- Page Builder: KingComposer – Free Drag and Drop page builder by King-Theme VendorKing-Theme Affected up to 2.9.3 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:king-theme:page_builder_king_composer:*:*:*:*:*:wordpress:*:* | up to 2.9.3 | Vulnerable | King-Theme |
- cpe:2.3:a:king-theme:page_builder_king_composer:*:*:*:*:*:wordpress:*:* Versions up to 2.9.3 Vulnerable ·King-Theme
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-36701
- 2026-10-03 Alias added: GHSA-prr3-f527-mr3m
References
Sources
- CVE-2020-36701 · CVE Program
- CVE-2020-36701 · NVD
- FIRST EPSS
- GHSA-prr3-f527-mr3m · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences