Answer in brief
CVE-2020-37255 records a High severity (CVSS 7.5) vulnerability in WordPress Time Capsule Plugin 1.21.16 Authentication Bypass. The current sources do not mark it as known exploited. The current feed maps Wptimecapsule/Time Capsule Plugin (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 7.5. 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 Wptimecapsule/Time Capsule Plugin (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Wptimecapsule/Time Capsule Plugingeneric | 0 | Not reported |
Published upstream
Jun 20, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 15, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jun 20, 2026
WordPress Time Capsule Plugin 1.21.16 contains an authentication bypass vulnerability that allows unauthenticated attackers to gain administrative access by sending a crafted POST request with the IWP_JSON_PREFIX header. Attackers can exploit this flaw to obtain valid administrator session cookies and access the WordPress dashboard without providing credentials.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2020-37255 records a High severity (CVSS 7.5) vulnerability in WordPress Time Capsule Plugin 1.21.16 Authentication Bypass. The current sources do not mark it as known exploited. The current feed maps Wptimecapsule/Time Capsule Plugin (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 7.5. 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 Wptimecapsule/Time Capsule Plugin (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Wptimecapsule/Time Capsule Plugingeneric | 0 | Not reported |
Published upstream
Jun 20, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 15, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jun 20, 2026
WordPress Time Capsule Plugin 1.21.16 contains an authentication bypass vulnerability that allows unauthenticated attackers to gain administrative access by sending a crafted POST request with the IWP_JSON_PREFIX header. Attackers can exploit this flaw to obtain valid administrator session cookies and access the WordPress dashboard without providing credentials.
Quoted source text, attributed separately from HOL analysis.