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CVE-2021-24423— UpdraftPlus < 1.16.59 - Admin+ Stored Cross-Site Scripting

Quick assessment

Affected
Unknown UpdraftPlus WordPress Backup Plugin
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 plugin是WordPress开源的一个应用插件。 WordPress plugin UpdraftPlus 存在跨站脚本漏洞，该漏洞源于在1.6.59之前的WordPress插件没有对其上升服务设置进行清理，允许高权限用户在其中设置恶意JavaScript负载，并导致存储的跨站点脚本问题。

AI Predicted 5.4 Difficulty: Easy EPSS 0.61% · P47

Possible ATT&CK Techniques 1 AI

T1059.007 · JavaScript
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I. Basic Information for CVE-2021-24423

Vulnerability Information
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Vulnerability Title
UpdraftPlus < 1.16.59 - Admin+ Stored Cross-Site Scripting
Source: CVE Program / CVE List V5
Vulnerability Description
The UpdraftPlus WordPress Backup Plugin WordPress plugin before 1.6.59 does not sanitise its updraft_service settings, allowing high privilege users to set malicious JavaScript payload in it and leading to a Stored Cross-Site Scripting issue
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress plugin是WordPress开源的一个应用插件。 WordPress plugin UpdraftPlus 存在跨站脚本漏洞，该漏洞源于在1.6.59之前的WordPress插件没有对其上升服务设置进行清理，允许高权限用户在其中设置恶意JavaScript负载，并导致存储的跨站点脚本问题。
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
Unknown UpdraftPlus WordPress Backup Plugin 1.6.59 ~ 1.6.59 -

II. Public POCs for CVE-2021-24423

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III. Intelligence Information for CVE-2021-24423

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Vendor Advisories for CVE-2021-24423 (1)

Other References for CVE-2021-24423 (1)

Same Patch Batch · Unknown · 2022-01-24 · 32 CVEs total

CVE-2021-25013 Qubely < 1.7.8 - Subscriber+ Arbitrary Post Deletion
CVE-2021-25083 Registrations for the Events Calendar < 2.7.10 - Reflected Cross-Site Scripting
CVE-2021-25080 Contact Form Entries < 1.1.7 - Unauthenticated Stored Cross-Site Scripting
CVE-2021-25079 Contact Form Entries < 1.2.4 - Reflected Cross-Site Scripting
CVE-2021-25078 Affiliates Manager < 2.9.0 - Unauthenticated Stored Cross-Site Scripting
CVE-2021-25076 WP User Frontend < 3.5.26 - SQL Injection to Reflected Cross-Site Scripting
CVE-2021-25074 WebP Converter for Media < 4.0.3 - Unauthenticated Open redirect
CVE-2021-25073 WP125 < 1.5.5 - Arbitrary Ad Deletion via CSRF
CVE-2021-25062 Orders Tracking for WooCommerce < 1.1.10 - Reflected Cross-Site Scripting
CVE-2021-25049 Mobile Events Manager < 1.4.4 - Admin+ Stored Cross-Site Scripting
CVE-2021-25045 Asgaros Forum < 1.15.15 - Admin+ SQL Injection via forum_id
CVE-2021-25035 Backup and Staging by WP Time Capsule < 1.22.7 - Reflected Cross-Site Scripting
CVE-2021-25031 Image Hover Effects Ultimate < 9.7.1 - Reflected Cross-Site Scripting
CVE-2021-25028 Event Tickets < 5.2.2 - Open Redirect
CVE-2021-25017 Tutor LMS < 1.9.12 - Reflected Cross-Site Scripting
CVE-2021-25015 myCred < 2.4 - Reflected Cross-Site Scripting
CVE-2021-24694 Simple Download Monitor < 3.9.11 - Contributor+ Stored Cross-Site Scripting via Shortcodes
CVE-2021-25008 Code Snippets < 2.14.3 - Reflected Cross-Site Scripting
CVE-2021-24989 Accept Donations with PayPal < 1.3.4 - Arbitrary Post Deletion via CSRF
CVE-2021-24985 Easy Forms for Mailchimp < 6.8.6 - Reflected Cross-Site Scripting

Showing top 20 of 32 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: UpdraftPlus WordPress Backup Plugin
Same vendor: Unknown
Same weakness: CWE-79

V. Comments for CVE-2021-24423

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