YMC Smart Filter < 3.11.3 - Unauthenticated Private/Draft Post Disclosure
Priority HIGH 72Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- 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 YMC Filter WordPress plugin before 3.11.3 does not properly authorize access to one of its REST API endpoints and does not validate a user-supplied query parameter, allowing unauthenticated attackers to retrieve the titles and content of private, draft, and other non-public posts.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01524 74th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed YMC Filter (Unknown): 3.11.3
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- 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 | YMC Filter | before 3.11.3 | 3.11.3 | Patch available | CNA |
- YMC Filter VendorUnknown Affected before 3.11.3 Fixed in 3.11.3 Patch available CNA
Remediation
- Fix · CNA YMC Filter (Unknown) Fixed in 3.11.3
Timeline
- 2026-10-02 Threatist record created from CVE-2026-10823
- 2026-10-03 Alias added: GHSA-cxq8-qm2q-phgj
References
Sources
- CVE-2026-10823 · CVE Program
- CVE-2026-10823 · NVD
- FIRST EPSS
- GHSA-cxq8-qm2q-phgj · 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