Structured Content < 1.7.0 - Contributor Stored XSS
Priority MEDIUM 58Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- 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 Structured Content (JSON-LD) #wpsc WordPress plugin before 1.7.0 does not validate and escape some of its block options before outputting them back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00188 8th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Structured Content (JSON-LD) #wpsc (Unknown): 1.7.0
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 | Structured Content (JSON-LD) #wpsc | before 1.7.0 | 1.7.0 | Patch available | CNA |
- Structured Content (JSON-LD) #wpsc VendorUnknown Affected before 1.7.0 Fixed in 1.7.0 Patch available CNA
Remediation
- Fix · CNA Structured Content (JSON-LD) #wpsc (Unknown) Fixed in 1.7.0
Timeline
- 2026-10-02 Threatist record created from CVE-2025-3414
- 2026-10-03 Alias added: GHSA-grfv-f52j-3r3x
References
Sources
- CVE-2025-3414 · CVE Program
- CVE-2025-3414 · NVD
- FIRST EPSS
- GHSA-grfv-f52j-3r3x · 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