CVE-2021-24579— Bold Page Builder < 3.1.6 - PHP Object Injection
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I. Basic Information for CVE-2021-24579
Vulnerability Information
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Vulnerability Title
Bold Page Builder < 3.1.6 - PHP Object Injection
Source: NVD (National Vulnerability Database)
Vulnerability Description
The bt_bb_get_grid AJAX action of the Bold Page Builder WordPress plugin before 3.1.6 passes user input into the unserialize() function without any validation or sanitisation, which could lead to a PHP Object Injection. Even though the plugin did not contain a suitable gadget to fully exploit the issue, other installed plugins on the blog could allow such issue to be exploited and lead to RCE in some cases.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
可信数据的反序列化
Source: NVD (National Vulnerability Database)
Vulnerability Title
WordPress 插件代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress 插件是WordPress开源的一个应用插件。 WordPress 插件 Bold Page Builder 3.1.6之前版本存在代码问题漏洞，该漏洞源于插件的bt_bb_get_grid AJAX 操作将用户输入传入unserialize()函数，没有进行任何的验证或转义，这可能导致PHP对象注入，并在某些情况下可能导致远程代码注入。
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 | Bold Page Builder | 3.1.6 ~ 3.1.6 | - |
II. Public POCs for CVE-2021-24579
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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Same Patch Batch · Unknown · 2021-08-30 · 10 CVEs total
| CVE-2021-24437 | Favicon by RealFaviconGenerator <= 1.3.20 - Reflected Cross-Site Scripting (XSS) | |
| CVE-2021-24438 | ShareThis Dashboard for Google Analytics < 2.5.2 - Reflected Cross-Site Scripting (XSS) | |
| CVE-2021-24528 | FluentSMTP < 2.0.1 - Authenticated Stored XSS | |
| CVE-2021-24580 | Side Menu Lite < 2.2.6 - Authenticated SQL Injection | |
| CVE-2021-24581 | Blue Admin <= 21.06.01 - CSRF to Stored Cross-Site Scripting (XSS) | |
| CVE-2021-24592 | Sitewide Notice WP < 2.3 - Authenticated Stored XSS | |
| CVE-2021-24593 | Business Hours Indicator < 2.3.5 - Authenticated Stored XSS | |
| CVE-2021-24665 | WP Video Lightbox < 1.9.3 - Contributor+ Stored Cross-Site Scripting | |
| CVE-2021-24667 | Gallery Blocks with Lightbox < 2.2.1- Authenticated Stored Cross-Site Scripting |
IV. Related Vulnerabilities
Same product: Bold Page Builder
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WordPress Bold Page Builder plugin <= 5.6.9 - Cross Site Scr - CVE-2025-12159
Bold Page Builder <= 5.4.8 - Authenticated (Contributor+) St - CVE-2025-13463
Bold Page Builder <= 5.5.3 - Authenticated (Author+) Stored - CVE-2025-12803
Bold Builder <= 5.5.1 - Authenticated (Contributor+) Stored - CVE-2025-15267
Bold Page Builder <= 5.5.7 - Authenticated (Contributor+) St
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
Same weakness: CWE-502
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Insecure deserialization - CVE-2026-5127
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PhpSpreadsheet SSRF and RCE via PHP stream wrappers in IOFac - CVE-2026-7712
MindsDB Pickle pickle.loads deserialization
V. Comments for CVE-2021-24579
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