Answer in brief
CVE-2026-13706 records a High severity (CVSS 8.8) vulnerability in UrlShortener extension url validation can be bypassed due to difference between php url parsing and WHATWG. The current sources do not mark it as known exploited. The current feed maps Wikimedia Foundation/UrlShortener (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 8.8. 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 Wikimedia Foundation/UrlShortener (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Wikimedia Foundation/UrlShortenergeneric | * | Not reported |
Published upstream
Jul 1, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 9, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 1, 2026
Improper input validation vulnerability in Wikimedia Foundation UrlShortener. This vulnerability is associated with program files includes/UrlShortenerUtils.Php.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-13706 records a High severity (CVSS 8.8) vulnerability in UrlShortener extension url validation can be bypassed due to difference between php url parsing and WHATWG. The current sources do not mark it as known exploited. The current feed maps Wikimedia Foundation/UrlShortener (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 8.8. 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 Wikimedia Foundation/UrlShortener (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Wikimedia Foundation/UrlShortenergeneric | * | Not reported |
Published upstream
Jul 1, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 9, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 1, 2026
Improper input validation vulnerability in Wikimedia Foundation UrlShortener. This vulnerability is associated with program files includes/UrlShortenerUtils.Php.
Quoted source text, attributed separately from HOL analysis.