Transbank Webpay < 1.14.0 - Unauthenticated Stored XSS
Priority LOW 31CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.
Summary
The Transbank Webpay WordPress plugin before 1.14.0 does not sanitize and escape logs to be displayed, allowing unauthenticated users to perform Stored XSS attacks against logged in administrator
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00293 22nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Transbank Webpay (Unknown): 1.14.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- 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 | Transbank Webpay | before 1.14.0 | 1.14.0 | Patch available | CNA |
- Transbank Webpay VendorUnknown Affected before 1.14.0 Fixed in 1.14.0 Patch available CNA
Remediation
- Fix · CNA Transbank Webpay (Unknown) Fixed in 1.14.0
Timeline
- 2026-10-02 Threatist record created from CVE-2026-6858
- 2026-10-03 Alias added: GHSA-4c54-mjrj-jwj4
References
Sources
- CVE-2026-6858 · CVE Program
- CVE-2026-6858 · NVD
- FIRST EPSS
- GHSA-4c54-mjrj-jwj4 · 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