Welcart e-Commerce < 2.11.34 - Author+ Stored XSS via Product Name
Priority MEDIUM 58CWE-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
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.
Summary
The Welcart e-Commerce WordPress plugin before 2.11.34 does not sanitise or escape a product field before outputting it on the product pages, allowing users with the Author role and above to inject arbitrary web scripts that execute in the browser of any visitor viewing the product page.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00226 13th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Welcart e-Commerce (Unknown): 2.11.34
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
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 |
|---|---|---|---|---|---|
| Unknown | Welcart e-Commerce | before 2.11.34 | 2.11.34 | Patch available | CNA |
- Welcart e-Commerce VendorUnknown Affected before 2.11.34 Fixed in 2.11.34 Patch available CNA
Remediation
- Fix · CNA Welcart e-Commerce (Unknown) Fixed in 2.11.34
Timeline
- 2026-10-02 Threatist record created from CVE-2026-16066
- 2026-10-03 Alias added: GHSA-xgc5-xxmg-c9x4
References
Sources
- CVE-2026-16066 · CVE Program
- CVE-2026-16066 · NVD
- FIRST EPSS
- GHSA-xgc5-xxmg-c9x4 · 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