CVE-2020-37255

HIGH

WordPress Time Capsule Plugin 1.21.16 Authentication Bypass

Title source: cna
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2020-37255. PoCs published by B. Canavate.

AI-analyzed exploit summary This exploit demonstrates an authentication bypass vulnerability in WordPress Time Capsule Plugin versions prior to 1.21.16. It retrieves an admin cookie and optionally uploads a shell for remote command execution.

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.

Exploits (1)

exploitdb WORKING POC
by B. Canavate · pythonwebappsphp
https://www.exploit-db.com/exploits/47941

This exploit demonstrates an authentication bypass vulnerability in WordPress Time Capsule Plugin versions prior to 1.21.16. It retrieves an admin cookie and optionally uploads a shell for remote command execution.

Classification
Working Poc 95%
Attack Type
Auth Bypass
Complexity
Moderate
Reliability
Reliable
Target: WordPress Time Capsule Plugin < 1.21.16
No auth needed
Prerequisites: WordPress installation with vulnerable Time Capsule Plugin
devstral-2 · analyzed Jun 20, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit exploit
ExploitDB-47941
https://www.exploit-db.com/exploits/47941
Product product
Official Product Homepage
https://wptimecapsule.com/
Third Party Advisory third-party-advisory
VulnCheck Advisory: WordPress Time Capsule Plugin 1.21.16 Authentication Bypass
https://www.vulncheck.com/advisories/wordpress-time-capsule-plugin-authentication-bypass

Scores

CVSS v3 7.5
EPSS 0.0040
EPSS Percentile 31.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-288
Status published
Products (1)
Wptimecapsule/Time Capsule Plugin < 1.21.16
Published Jun 20, 2026
Tracked Since Jun 20, 2026