CVE-2021-24973— Site Reviews < 5.17.3 - Unauthenticated Stored Cross-Site Scripting
Quick assessment
Affected
Unknown Site Reviews
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 plugin是WordPress开源的一个应用插件。 WordPress plugin 的Site Reviews插件 5.17.3之前版本存在跨站脚本漏洞，该漏洞源于未对glsr_action AJAX操作的Site Reviews参数进行清理和转义。攻击者可利用该漏洞执行跨站点脚本攻击。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1189 · Drive-by Compromise
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I. Basic Information for CVE-2021-24973
Vulnerability Information
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Vulnerability Title
Site Reviews < 5.17.3 - Unauthenticated Stored Cross-Site Scripting
Source: CVE Program / CVE List V5
Vulnerability Description
The Site Reviews WordPress plugin before 5.17.3 does not sanitise and escape the site-reviews parameter of the glsr_action AJAX action (available to unauthenticated and any authenticated users), allowing them to perform Cross-Site Scripting attacks against logged in admins viewing the Tool dashboard of the plugin
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是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 plugin是WordPress开源的一个应用插件。 WordPress plugin 的Site Reviews插件 5.17.3之前版本存在跨站脚本漏洞，该漏洞源于未对glsr_action AJAX操作的Site Reviews参数进行清理和转义。攻击者可利用该漏洞执行跨站点脚本攻击。
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 | Site Reviews | 5.17.3 ~ 5.17.3 | - |
|
II. Public POCs for CVE-2021-24973
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2021-24973 (1)
-
https://plugins.trac.wordpress.org/changeset/2629821 x_refsource_CONFIRM
Vendor Advisories for CVE-2021-24973 (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-2021-24964 | 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-2021-24893 | Stars Rating < 3.5.1 - Comments Denial of Service | |
| 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 |
IV. Related Vulnerabilities
Same product: Site Reviews
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CVE-2026-73382
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CVE-2025-1232
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CVE-2023-27625
WordPress Site Reviews plugin <= 6.5.0 - Broken Access Contr -
CVE-2023-49832
WordPress Site Reviews plugin <= 6.10.2 - Broken Access Cont
Same vendor: Unknown
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Same weakness: CWE-79
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CVE-2026-74793
justhtml before 3.11.0 XSS via selectedcontent projection -
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justhtml before 1.17.0 Multiple Cross-Site Scripting Vulnera
V. Comments for CVE-2021-24973
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