What is GHSA-4jwp-2g8r-6m99?

GHSA-4jwp-2g8r-6m99 is a security advisory published by GitHub Security Advisories with High severity. WordPress Time Capsule Plugin 1.21.16 contains an authentication bypass vulnerability that allows...

Which CVE IDs does GHSA-4jwp-2g8r-6m99 cover?

GHSA-4jwp-2g8r-6m99 covers the following CVE IDs: CVE-2020-37255. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-4jwp-2g8r-6m99?

GHSA-4jwp-2g8r-6m99 has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

GHSA-4jwp-2g8r-6m99HighCVSS 7.5

WordPress Time Capsule Plugin 1.21.16 contains an authentication bypass vulnerability that allows...

Vendor

GitHub Security Advisories

Published

June 20, 2026

Last Modified

June 20, 2026

🔗 CVE IDs covered (1)

CVE-2020-37255 →

📋 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.

🔗 References (5)

https://nvd.nist.gov/vuln/detail/CVE-2020-37255
https://wptimecapsule.com
https://www.exploit-db.com/exploits/47941
https://www.vulncheck.com/advisories/wordpress-time-capsule-plugin-authentication-bypass
https://github.com/advisories/GHSA-4jwp-2g8r-6m99