Copy & Delete Posts < 1.5.5 - Authenticated Arbitrary Post Deletion via Missing Object-Level Authorization
Priority LOW 29CWE-639Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-639.
Summary
The Duplicate Post WordPress plugin before 1.5.5 does not perform per-object authorisation checks in its bulk copy and delete operations, allowing any user whose role an administrator has granted Duplicate Post WordPress plugin before 1.5.5 access to permanently delete arbitrary posts on the site, including those belonging to other users.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00418 36th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Duplicate Post (Unknown): 1.5.5
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 | Duplicate Post | before 1.5.5 | 1.5.5 | Patch available | CNA |
- Duplicate Post VendorUnknown Affected before 1.5.5 Fixed in 1.5.5 Patch available CNA
Remediation
- Fix · CNA Duplicate Post (Unknown) Fixed in 1.5.5
Timeline
- 2026-10-02 Threatist record created from CVE-2026-19077
- 2026-10-03 Alias added: GHSA-47f8-4hph-5246
References
Sources
- CVE-2026-19077 · CVE Program
- CVE-2026-19077 · NVD
- FIRST EPSS
- GHSA-47f8-4hph-5246 · 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