Page Builder: KingComposer < 2.9.4 - Arbitrary File Upload
Published Jun 7, 2023
8.8
HIGHCVSS 3.1
EPSS 1.52%
Description
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.
Affected products
- Vendor Kingthemes Product Page Builder: KingComposer – Free Drag and Drop page builder by King-Theme Defaultunaffected
- Version -StatusaffectedConstraints<=2.9.3
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Kingthemes | Page Builder: KingComposer – Free Drag and Drop page builder by King-Theme | unaffected |
|
- ≤ 2.9.3
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
TotalDecision
n/aAssessed Dec 23, 2024 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2023–2026- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.52% (0.01518) | 73.62th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.53% (0.01531) | 71.39th | v5 (v2026.06.15) |
| Jun 8, 2026 | 4.03% (0.04027) | 88.71th | v4 (v2025.03.14) |
| Nov 21, 2025 | 1.23% (0.01226) | 78.54th | v4 (v2025.03.14) |
| Nov 18, 2025 | 6.09% (0.06091) | 89.85th | v4 (v2025.03.14) |
| Mar 30, 2025 | 0.91% (0.00906) | 73.65th | v4 (v2025.03.14) |
| Mar 29, 2025 | 12.89% (0.12889) | 90.05th | v4 (v2025.03.14) |
| Mar 24, 2025 | 0.91% (0.00906) | 73.61th | v4 (v2025.03.14) |
| Mar 23, 2025 | 6.10% (0.06104) | 89.08th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.71% (0.00713) | 70.63th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.18% (0.00182) | 56.76th | v3 (v2023.03.01) |
| Jun 13, 2024 | 0.18% (0.00182) | 55.50th | v3 (v2023.03.01) |
| May 7, 2024 | 0.08% (0.00082) | 34.61th | v3 (v2023.03.01) |
| Jun 14, 2023 | 0.06% (0.00059) | 23.11th | v3 (v2023.03.01) |
| Jun 7, 2023 | 0.04% (0.00045) | 12.31th | v3 (v2023.03.01) |
References (4)
- https://blog.nintechnet.com/wordpress-kingcomposer-page-builder-fixed-multiple-critical-vulnerabilities/ Exploit
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2320014%40kingcomposer&new=2320014%40kingcomposer&sfp_email=&sfph_mail= Patch
- https://wordpress.org/plugins/kingcomposer/#developers Product
- https://www.wordfence.com/threat-intel/vulnerabilities/id/45a62dd0-386c-41b3-b8dd-ced443da9f92?source=cve Third Party Advisory
Change history (0)
No recorded changes yet.