Answer in brief
CVE-2023-0567 records a High severity (CVSS 7.7) vulnerability in password_verify() always returns true for some invalid hashes. The current sources do not mark it as known exploited. The current feed maps PHP Group/PHP (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 7.7. 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 PHP Group/PHP (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| PHP Group/PHPgeneric | >=8.0.* <8.0.28 || >=8.1.* <8.1.16 || >=8.2.* <8.2.3 | 8.0.28, 8.1.16, 8.2.3 |
Published upstream
Feb 16, 2023
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 19, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 15, 2026
In PHP 8.0.X before 8.0.28, 8.1.X before 8.1.16 and 8.2.X before 8.2.3, password_verify() function may accept some invalid Blowfish hashes as valid. If such invalid hash ever ends up in the password database, it may lead to an application allowing any password for this entry as valid.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2023-0567 records a High severity (CVSS 7.7) vulnerability in password_verify() always returns true for some invalid hashes. The current sources do not mark it as known exploited. The current feed maps PHP Group/PHP (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 7.7. 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 PHP Group/PHP (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| PHP Group/PHPgeneric | >=8.0.* <8.0.28 || >=8.1.* <8.1.16 || >=8.2.* <8.2.3 | 8.0.28, 8.1.16, 8.2.3 |
Published upstream
Feb 16, 2023
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 19, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 15, 2026
In PHP 8.0.X before 8.0.28, 8.1.X before 8.1.16 and 8.2.X before 8.2.3, password_verify() function may accept some invalid Blowfish hashes as valid. If such invalid hash ever ends up in the password database, it may lead to an application allowing any password for this entry as valid.
Quoted source text, attributed separately from HOL analysis.