CVE-2021-39200
Information Disclosure in wp_die() via JSONP in wordpress
5.3
MEDIUM
CVSS 3.1
EPSS 1.8%
Description
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 wp_die() 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.
How to fix CVE-2021-39200
To remediate CVE-2021-39200, upgrade the affected package to a fixed version below.
- —upgrade to 5.8.1 or later
- —upgrade to 5.8.1 or later
- —upgrade to 5.7.3+dfsg1-0+deb11u1 or later
Is CVE-2021-39200 being exploited?
Low — EPSS is 1.8%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- >= 5.2.0, < 5.8.1
- >= 5.2.0, < 5.8.1
- from 0, < 5.7.3+dfsg1-0+deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |