Answer in brief
CVE-2025-8889 records a Low severity (CVSS 3.8) vulnerability in Compress Then Upload < 1.0.5 - Admin+ Arbitrary File Upload. The current sources do not mark it as known exploited. The current feed maps Unknown/Compress & Upload (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 3.8. 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/Compress & Upload (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Unknown/Compress & Uploadgeneric | >=0 <1.0.5 | 1.0.5 |
Published upstream
Sep 9, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 10, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 10, 2026
The Compress & Upload WordPress plugin before 1.0.5 does not properly validate uploaded files, allowing high privilege users such as admin to upload arbitrary files on the server even when they should not be allowed to (for example in multisite setup)
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2025-8889 records a Low severity (CVSS 3.8) vulnerability in Compress Then Upload < 1.0.5 - Admin+ Arbitrary File Upload. The current sources do not mark it as known exploited. The current feed maps Unknown/Compress & Upload (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 3.8. 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/Compress & Upload (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Unknown/Compress & Uploadgeneric | >=0 <1.0.5 | 1.0.5 |
Published upstream
Sep 9, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 10, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 10, 2026
The Compress & Upload WordPress plugin before 1.0.5 does not properly validate uploaded files, allowing high privilege users such as admin to upload arbitrary files on the server even when they should not be allowed to (for example in multisite setup)
Quoted source text, attributed separately from HOL analysis.