KingComposer <= 2.9.6 - Subscriber+ Stored Cross-Site Scripting
Priority LOW 25CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
The KingComposer WordPress plugin through 2.9.6 does not have authorisation, CSRF and sanitisation/escaping when creating profile, allowing any authenticated users to create arbitrary ones, with Cross-Site Scripting payloads in them
Why it matters now
EPSS 0.00637 50th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | Page Builder: KingComposer – Free Drag and Drop page builder by King-Theme | 2.9.6 – 2.9.6 | — | No fix listed | CNA |
- Page Builder: KingComposer – Free Drag and Drop page builder by King-Theme VendorUnknown Affected 2.9.6 – 2.9.6 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:king-theme:kingcomposer:*:*:*:*:*:wordpress:*:* | up to 2.9.6 | Vulnerable | King-Theme |
- cpe:2.3:a:king-theme:kingcomposer:*:*:*:*:*:wordpress:*:* Versions up to 2.9.6 Vulnerable ·King-Theme
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-25048
- 2026-10-03 Alias added: GHSA-j638-92vp-3cfh
- 2026-10-25 EPSS moved to the 50th–90th percentile
References
More King-Theme Kingcomposer vulnerabilities
- TI-2020-12054 A reflected Cross-Site Scripting (XSS) Vulnerability in the KingComposer plugin through… CVSS 3.1MEDIUM 6.1
- TI-2022-00106 Page Builder KingComposer <= 2.9.6 - Open Redirect CVSS 3.1MEDIUM 6.1
- TI-2019-07282 The kingcomposer plugin 2.7.6 for WordPress has wp-admin/admin.php?page=kc-mapper id XSS. CVSS 3.0MEDIUM 6.1
Sources
- CVE-2021-25048 · CVE Program
- CVE-2021-25048 · NVD
- FIRST EPSS
- GHSA-j638-92vp-3cfh · 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