User Submitted Posts < 20260608 - Unauthenticated Stored XSS via Author Name
Priority MEDIUM 53Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
The User Submitted Posts WordPress plugin before 20260608 does not escape a submitted value before outputting it in an admin-configured display template, leading to a Stored Cross-Site Scripting that can be triggered by unauthenticated users when a non-default display option is enabled.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00219 12th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed User Submitted Posts (Unknown): 20260608
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 | User Submitted Posts | before 20260608 | 20260608 | Patch available | CNA |
- User Submitted Posts VendorUnknown Affected before 20260608 Fixed in 20260608 Patch available CNA
Remediation
- Fix · CNA User Submitted Posts (Unknown) Fixed in 20260608
Timeline
- 2026-10-02 Threatist record created from CVE-2026-11570
- 2026-10-03 Alias added: GHSA-qrfm-jqh3-mc7c
References
Sources
- CVE-2026-11570 · CVE Program
- CVE-2026-11570 · NVD
- FIRST EPSS
- GHSA-qrfm-jqh3-mc7c · 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