Nested Pages < 3.2.15 - Editor+ Stored XSS via Post Title
Priority LOW 22CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- 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 Nested Pages WordPress plugin before 3.2.15 does not properly escape post titles before outputting them into HTML attributes on an administrative listing screen, allowing users with the Editor role (or Contributor/Author when the Nested Pages WordPress plugin before 3.2.15 is enabled for the post type) to inject arbitrary JavaScript that executes in the session of any higher-privileged user who views that screen.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00242 15th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Nested Pages (Unknown): 3.2.15
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 | Nested Pages | before 3.2.15 | 3.2.15 | Patch available | CNA |
- Nested Pages VendorUnknown Affected before 3.2.15 Fixed in 3.2.15 Patch available CNA
Remediation
- Fix · CNA Nested Pages (Unknown) Fixed in 3.2.15
Timeline
- 2026-10-02 Threatist record created from CVE-2026-15233
- 2026-10-03 Alias added: GHSA-6q78-rg7f-8258
References
Sources
- CVE-2026-15233 · CVE Program
- CVE-2026-15233 · NVD
- FIRST EPSS
- GHSA-6q78-rg7f-8258 · GitHub Advisory Database · CC BY 4.0
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