Classified Listing < 6.1.1 - Subscriber+ Arbitrary Attachment Deletion and Listing Image Tampering via IDOR
Priority LOW 31CWE-639Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · Low
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-639.
Summary
The Classified Listing WordPress plugin before 6.1.1 does not verify that the caller owns or can edit the target listing before its AI image-editing AJAX action deletes or attaches media, allowing any authenticated user, including a subscriber, to permanently delete attachments from, and attach files to, any listing owned by another user.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00338 27th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Classified Listing (Unknown): 6.1.1
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 | Classified Listing | 5.3.0 to before 6.1.1 | 6.1.1 | Patch available | CNA |
- Classified Listing VendorUnknown Affected 5.3.0 to before 6.1.1 Fixed in 6.1.1 Patch available CNA
Remediation
- Fix · CNA Classified Listing (Unknown) Fixed in 6.1.1
Timeline
- 2026-10-02 Threatist record created from CVE-2026-16281
- 2026-10-03 Alias added: GHSA-p9w8-7wph-h4x9
References
Sources
- CVE-2026-16281 · CVE Program
- CVE-2026-16281 · NVD
- FIRST EPSS
- GHSA-p9w8-7wph-h4x9 · 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