ProfileGrid < 5.9.9.8 - Subscriber+ Arbitrary Notification Deletion via IDOR
Priority MEDIUM 53CWE-639Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-639.
Summary
The ProfileGrid WordPress plugin before 5.9.9.8 does not verify that a notification belongs to the requesting user before deleting it, allowing any authenticated user such as a Subscriber to delete other users' notifications by enumerating notification identifiers.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00254 17th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed ProfileGrid (Unknown): 5.9.9.8
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 | ProfileGrid | before 5.9.9.8 | 5.9.9.8 | Patch available | CNA |
- ProfileGrid VendorUnknown Affected before 5.9.9.8 Fixed in 5.9.9.8 Patch available CNA
Remediation
- Fix · CNA ProfileGrid (Unknown) Fixed in 5.9.9.8
Timeline
- 2026-10-02 Threatist record created from CVE-2026-16291
- 2026-10-03 Alias added: GHSA-77fq-7qxg-43vp
References
Sources
- CVE-2026-16291 · CVE Program
- CVE-2026-16291 · NVD
- FIRST EPSS
- GHSA-77fq-7qxg-43vp · 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