CVE-2020-37255

WordPress Time Capsule Plugin 1.21.16 Authentication Bypass

State
Published
Severity
8.7 High
Published
Jun 20, 2026
Updated
Jul 15, 2026
Reserved
Jun 20, 2026

Read the record on cve.org

Description

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.

Scores

CVSSScoreVectorSource
4.08.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:NVulnCheck
3.17.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NVulnCheck

Weaknesses

  • CWE-288 Authentication Bypass Using an Alternate Path or Channel

Affected Products

ProductVersions
Time Capsule PluginWptimecapsule
  • 1.21.16 and earlierAffected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.