CVE-2021-39200: Information Disclosure in wp_die() via JSONP in wordpress
WordPress is a free and open-source content management system written in PHP and paired with a MySQL or MariaDB database. In affected versions output data of the function wpdie() can be leaked under certain conditions, which can include data like nonces. It can then be used to perform actions on your behalf. This has been patched in WordPress 5.8.1, along with any older affected versions via minor releases. It's strongly recommended that you keep auto-updates enabled to receive the fix.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/wordpressto a version that resolves this vulnerability.Fixed in 5.0.15+dfsg1-0+deb10u1Fixed in 5.0.19+dfsg1-0+deb10u1Fixed in 5.7.8+dfsg1-0+deb11u2Fixed in 6.1.1+dfsg1-1Fixed in 6.3.1+dfsg1-1 - Upgrade
Upgrade
wordpressto a version that resolves this vulnerability.Fixed in 5.8.1 - Configuration
Keep WordPress auto-updates enabled to receive the fix for the wp_die() information disclosure issue.
WordPress auto-updates enabled = true
Event History
Frequently Asked Questions
What is CVE-2021-39200?
CVE-2021-39200 is a vulnerability in WordPress that allows for leakage of data under certain conditions.
What is the severity of CVE-2021-39200?
The severity of CVE-2021-39200 is high with a CVSS score of 5.3.
How does CVE-2021-39200 affect WordPress?
CVE-2021-39200 affects output data of the function wp_die() in certain versions of WordPress.
Which versions of WordPress are affected by CVE-2021-39200?
WordPress versions 5.0.15, 5.0.19, 5.7.8, 6.1.1, and 6.3.1 are affected by CVE-2021-39200.
How can I fix CVE-2021-39200?
To fix CVE-2021-39200, update WordPress to a version that is not affected by the vulnerability.