WordPress security changelog
CRITICAL CVE-2020-8771 Modified

Wp Time Capsule: Privilege escalation or authentication bypass

Wp Time Capsule is affected by privilege escalation or authentication bypass. Exposure depends on how the affected operation is made reachable by the site. A successful request can grant permissions or access that the caller should not possess.

CVE / CNA score 9.8 CVSS · cve@mitre.org
NVD score 9.8 CVSS 3.1 · nvd@nist.gov
Component
Wp Time Capsule
Plugin slug
wp-time-capsule
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Feb 06, 2020
Weakness
CWE-287 — Improper Authentication

This CVE was published Feb 06, 2020 and is one of 8 known issues for this plugin.

Update, patch or deactivate.

Update Wp Time Capsule to a release outside the affected range, or disable and remove it until a fixed version is available.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical description

The Time Capsule plugin before 1.21.16 for WordPress has an authentication bypass. Any request containing IWP_JSON_PREFIX causes the client to be logged in as the first account on the list of administrator accounts.

NVD vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary and upstream sources