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CVE-2021-39200— Information Disclosure in wp_die() via JSONP in wordpress

Quick assessment

Affected
WordPress wordpress-develop
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress是WordPress（Wordpress）基金会的一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。 WordPress 存在信息泄露漏洞，该漏洞源于函数 wp_die() 的输出数据在某些情况下可能会泄漏，其中可能包括随机数等数据。

CVSS 5.3 · Medium EPSS 1.97% · P80

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2021-39200

Vulnerability Information
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Vulnerability Title
Information Disclosure in wp_die() via JSONP in wordpress
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress是WordPress（Wordpress）基金会的一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。 WordPress 存在信息泄露漏洞，该漏洞源于函数 wp_die() 的输出数据在某些情况下可能会泄漏，其中可能包括随机数等数据。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
WordPress wordpress-develop >= 5.2.0, < 5.8.1 -

II. Public POCs for CVE-2021-39200

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III. Intelligence Information for CVE-2021-39200

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Vendor Advisories for CVE-2021-39200 (2)

Other References for CVE-2021-39200 (1)

Same Patch Batch · WordPress · 2021-09-09 · 4 CVEs total

CVE-2021-39201 7.6 HIGH Authenticated cross-site scripting (XSS) in WordPress editor
CVE-2021-39202 7.6 HIGH WordPress 5.8 beta: Stored Cross-Site Scripting (XSS) vulnerability in widget
CVE-2021-39203 6.8 MEDIUM Private data disclosure/privilege escalation through the block editor in Wordpress

IV. Related Vulnerabilities

Same product: wordpress-develop
Same vendor: WordPress
Same weakness: CWE-200

V. Comments for CVE-2021-39200

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