CVE-2021-24893— Stars Rating < 3.5.1 - Comments Denial of Service
Quick assessment
Affected
Unknown Stars Rating
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和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用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 plugin是一个应用插件。 WordPress plugin Stars Rating 3.5.1之前版本存在输入验证错误漏洞，该漏洞源于不验证提交的评级，允许提交长整数，导致评论部分拒绝服务，或暂停评论仪表板，具体取决于用户是否以未经验证或验证的身份发送。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-24893
Vulnerability Information
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Vulnerability Title
Stars Rating < 3.5.1 - Comments Denial of Service
Source: CVE Program / CVE List V5
Vulnerability Description
The Stars Rating WordPress plugin before 3.5.1 does not validate the submitted rating, allowing submission of long integer, causing a Denial of Service in the comments section, or pending comment dashboard depending if the user sent it as unauthenticated or authenticated.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin Stars Rating 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用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 plugin是一个应用插件。 WordPress plugin Stars Rating 3.5.1之前版本存在输入验证错误漏洞，该漏洞源于不验证提交的评级，允许提交长整数，导致评论部分拒绝服务，或暂停评论仪表板，具体取决于用户是否以未经验证或验证的身份发送。
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 | Stars Rating | 3.5.1 ~ 3.5.1 | - |
|
II. Public POCs for CVE-2021-24893
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-24893 (1)
Same Patch Batch · Unknown · 2022-01-03 · 20 CVEs total
| CVE-2021-25000 | Booster for WooCommerce < 5.4.9 - Reflected Cross-Site Scripting in General Module | |
| CVE-2021-25040 | Booking Calendar < 8.9.2 - Reflected Cross-Site Scripting | |
| CVE-2021-25030 | Events Made Easy < 2.2.36 - Subscriber+ SQL Injection | |
| CVE-2021-25027 | PowerPack Addons for Elementor < 2.6.2 - Reflected Cross-Site Scripting | |
| CVE-2021-25023 | Speed Booster Pack < 4.3.3.1 - Admin+ SQL Injection | |
| CVE-2021-25022 | UpdraftPlus < 1.16.66 - Reflected Cross-Site Scripting | |
| CVE-2021-25021 | OMGF < 4.5.12 - Admin+ Arbitrary Folder Deletion via Path Traversal | |
| CVE-2021-25020 | CAOS < 4.1.9 - Admin+ Arbitrary Folder Deletion via Path Traversal | |
| CVE-2021-25016 | Chaty < 2.8.3 - Reflected Cross-Site Scripting | |
| CVE-2021-25001 | Booster for WooCommerce < 5.4.9 - Reflected Cross-Site Scripting in Product XML Feeds Modu | |
| CVE-2021-24680 | WP Travel Engine < 5.3.1 - Editor+ Stored Cross-Site Scripting | |
| CVE-2021-24999 | Booster for Woocommerce < 5.4.9 - Reflected Cross-Site Scripting in PDF Invoicing Module | |
| CVE-2021-24991 | WooCommerce PDF Invoices & Packing Slips < 2.10.5 - Reflected Cross-Site Scripting | |
| CVE-2021-24973 | Site Reviews < 5.17.3 - Unauthenticated Stored Cross-Site Scripting | |
| CVE-2021-24964 | LiteSpeed Cache < 4.4.4 - IP Check Bypass to Unauthenticated Stored XSS | |
| CVE-2021-24963 | LiteSpeed Cache < 4.4.4 - Admin+ Reflected Cross-Site Scripting | |
| CVE-2021-24831 | Tab - Accordion, FAQ < 1.3.2 - Unauthenticated AJAX Calls | |
| CVE-2021-24828 | Mortgage Calculator / Loan Calculator < 1.5.17 - Contributor+ Stored Cross-Site Scripting | |
| CVE-2021-24786 | Download Monitor < 4.4.5 - Admin+ SQL Injection |
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V. Comments for CVE-2021-24893
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