CVE-2024-8536— Ultimate Blocks < 3.2.2 - Contributor+ Stored XSS
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I. Basic Information for CVE-2024-8536
Vulnerability Information
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Vulnerability Title
Ultimate Blocks < 3.2.2 - Contributor+ Stored XSS
Source: NVD (National Vulnerability Database)
Vulnerability Description
The Ultimate Blocks WordPress plugin before 3.2.2 does not validate and escape some of its block attributes before outputting them back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
WordPress plugin Ultimate Blocks 跨站脚本漏洞
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 Ultimate Blocks 3.2.2之前版本存在跨站脚本漏洞，该漏洞源于验证和转义不足，容易受到存储型跨站脚本攻击。
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 | Ultimate Blocks | 0 ~ 3.2.2 | - |
II. Public POCs for CVE-2024-8536
| # | POC Description | Source Link | Shenlong Link |
|---|
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- Ultimate Blocks < 3.2.2 – Contributor+ Stored XSS | CVE 2024-8536 | Plugin Vulnerabilitiesexploitvdb-entrytechnical-description
- https://nvd.nist.gov/vuln/detail/CVE-2024-8536
Same Patch Batch · Unknown · 2024-09-30 · 5 CVEs total
| CVE-2024-3635 | The Post Grid < 7.5.0 - Editor+ Stored XSS via Grid Creation | |
| CVE-2024-8239 | Starbox < 3.5.3 - Contributor+ Stored XSS | |
| CVE-2024-8379 | Cost Calculator Builder < 3.2.29 - Admin+ SQL Injection | |
| CVE-2024-8283 | Slider by 10Web < 1.2.59 - Admin+ Stored XSS |
IV. Related Vulnerabilities
Same product: Ultimate Blocks
- CVE-2025-49929
WordPress Ultimate Blocks plugin <= 3.3.6 - Cross Site Scrip - CVE-2025-48234
WordPress Ultimate Blocks plugin <= 3.3.0 - Cross Site Scrip - CVE-2025-47493
WordPress Ultimate Blocks plugin <= 3.2.9 - Cross Site Scrip - CVE-2025-31077
WordPress Ultimate Blocks plugin <= 3.2.7 - Cross Site Scrip - CVE-2024-10678
Ultimate Blocks < 3.2.4 - Contributor+ Stored XSS
Same vendor: Unknown
- CVE-2026-6433
Custom CSS JS PHP <= 2.0.7 - Unauthenticated SQL Injection t - CVE-2026-4935
SureTriggers < 1.1.23 – Unauthenticated SQLi - CVE-2026-5335
Magic Export & Import < 1.2.0 - Unauthenticated PII Disclosu - CVE-2026-5337
Frontend File Manager Plugin <= 23.6 - Subscriber+ Arbitrary - CVE-2026-5306
Check & Log Email < 2.0.13 - Unauthenticated Stored XSS
V. Comments for CVE-2024-8536
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