Answer in brief
CVE-2026-16291 records a Medium severity (CVSS 4.3) vulnerability in ProfileGrid < 5.9.9.8 - Subscriber+ Arbitrary Notification Deletion via IDOR. The current sources do not mark it as known exploited. The current feed maps Unknown/ProfileGrid (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 4.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Unknown/ProfileGrid (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Unknown/ProfileGridgeneric | >=0 <5.9.9.8 | 5.9.9.8 |
Published upstream
Aug 2, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 4, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 4, 2026
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.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-16291 records a Medium severity (CVSS 4.3) vulnerability in ProfileGrid < 5.9.9.8 - Subscriber+ Arbitrary Notification Deletion via IDOR. The current sources do not mark it as known exploited. The current feed maps Unknown/ProfileGrid (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 4.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Unknown/ProfileGrid (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Unknown/ProfileGridgeneric | >=0 <5.9.9.8 | 5.9.9.8 |
Published upstream
Aug 2, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 4, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 4, 2026
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.
Quoted source text, attributed separately from HOL analysis.