Themeco Cornerstone < 7.8.8 (Premium, bundled with X Theme) - Subscriber+ Arbitrary User Password Hash Disclosure
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
The Cornerstone WordPress plugin before 7.8.8 does not enforce capability checks on one of its CSS-preview request handlers, and exposes the nonce needed to call it to every logged-in user on any wp-admin page, allowing any authenticated user to evaluate dynamic content tokens against arbitrary users and disclose their sensitive metadata including raw password hashes. This affects the premium co Cornerstone page builder distributed bundled with the X , not the unrelated free `cornerstone` Cornerstone WordPress plugin before 7.8.8 (v0.8.x) on the .org repository.
Why it matters now
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 | Cornerstone | 3.0.0 to before 7.8.8 | 7.8.8 | Patch available | CNA |
- Cornerstone VendorUnknown Affected 3.0.0 to before 7.8.8 Fixed in 7.8.8 Patch available CNA
Remediation
- Fix · CNA Cornerstone (Unknown) Fixed in 7.8.8
Timeline
- 2026-10-02 Threatist record created from CVE-2026-9710
- 2026-10-03 Alias added: GHSA-w2v5-gfq2-4h2f
References
Sources
- CVE-2026-9710 · CVE Program
- CVE-2026-9710 · NVD
- FIRST EPSS
- GHSA-w2v5-gfq2-4h2f · 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