CVE-2021-24488— Post Grid < 2.1.8 - Reflected Cross-Site Scripting (XSS)
Quick assessment
Affected
Unknown Post Grid
Exploitation
Public or AI PoC available; prioritize validation
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 插件是WordPress开源的一个应用插件。 Post Grid WordPress Plugin 存在跨站脚本漏洞，该漏洞源于在2.1.8版本之前的此插件的滑块导入搜索功能和选项卡参数在输出回页面之前没有正确地消毒，导致了跨站点脚本问题。攻击者可利用该漏洞通过受影响客户端向服务器发送非预期的请求。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1189 · Drive-by Compromise
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I. Basic Information for CVE-2021-24488
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
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Vulnerability Title
Post Grid < 2.1.8 - Reflected Cross-Site Scripting (XSS)
Source: CVE Program / CVE List V5
Vulnerability Description
The slider import search feature and tab parameter of the Post Grid WordPress plugin before 2.1.8 settings are not properly sanitised before being output back in the pages, leading to Reflected Cross-Site Scripting issues
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 插件跨站脚本漏洞
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 插件是WordPress开源的一个应用插件。 Post Grid WordPress Plugin 存在跨站脚本漏洞，该漏洞源于在2.1.8版本之前的此插件的滑块导入搜索功能和选项卡参数在输出回页面之前没有正确地消毒，导致了跨站点脚本问题。攻击者可利用该漏洞通过受影响客户端向服务器发送非预期的请求。
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
II. Public POCs for CVE-2021-24488
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | WordPress Post Grid plugin before 2.1.8 contains a reflected cross-site scripting vulnerability. The slider import search feature and tab parameter of thesettings are not properly sanitized before being output back in the pages, | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-24488.yaml | POC Details |
AI-Generated POC
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Vendor Advisories for CVE-2021-24488 (1)
Same Patch Batch · Unknown · 2021-08-02 · 26 CVEs total
| CVE-2021-24473 | User Profile Picture < 2.6.0 - Arbitrary User Picture Change/Deletion via IDOR | |
| CVE-2021-24444 | TaxoPress < 3.0.7.2 - Authenticated Stored Cross-Site Scripting (XSS) | |
| CVE-2021-24371 | RSVPMaker < 8.7.3 - Authenticated (admin+) SSRF | |
| CVE-2021-24425 | myStickymenu < 2.5.2 - Authenticated Stored XSS | |
| CVE-2021-24428 | RSS for Yandex Turbo <= 1.30 - Authenticated Stored XSS | |
| CVE-2021-24430 | Speed Booster Pack 4.2.0-beta - Authenticated (admin+) RCE | |
| CVE-2021-24443 | Youzify < 1.0.7 - Stored Cross-Site Scripting via Biography | |
| CVE-2021-24448 | Profile Builder < 3.4.8 - Authenticated Stored XSS | |
| CVE-2021-24450 | ProfilePress < 3.1.8 - Authenticated Stored XSS | |
| CVE-2021-24455 | Tutor LMS < 1.9.2 - Authenticated Stored Cross-Site Scripting (XSS) | |
| CVE-2021-24464 | YouTube Embed, Playlist and Popup < 2.3.9 - Contributor+ Stored XSS | |
| CVE-2021-24468 | Leaflet Map < 3.0.0 - Contributor+ Stored XSS | |
| CVE-2021-24470 | Yada Wiki < 3.4.1 - Contributor+ Stored XSS | |
| CVE-2021-24504 | WP LMS <= 1.1.2 - Stored Cross-Site Scripting (XSS) | |
| CVE-2021-24474 | Awesome Weather Widget <= 3.0.2 - Reflected Cross-site Scripting (XSS) | |
| CVE-2021-24476 | Steam Group Viewer <= 2.1 - Authenticated Stored Cross-Site Scripting (XSS) | |
| CVE-2021-24477 | Migrate Users <= 1.0.1 - CSRF to Stored Cross-Site Scripting (XSS) | |
| CVE-2021-24478 | Bookshelf <= 2.0.4 - Authenticated Stored Cross-Site Scripting (XSS) | |
| CVE-2021-24479 | DrawBlog <= 0.90 - Authenticated Stored Cross-Site Scripting (XSS) | |
| CVE-2021-24480 | Event Geek <= 2.5.2 - Stored Cross-site Scripting (XSS) |
Showing top 20 of 26 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Post Grid
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Post Grid, Form Maker, Popup Maker, WooCommerce Blocks, Post
Same vendor: Unknown
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Same weakness: CWE-79
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V. Comments for CVE-2021-24488
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