CVE-2021-24587— Splash Header < 1.20.8 - Authenticated Stored Cross-Site Scripting (XSS)
Quick assessment
Affected
Unknown Splash Header
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 插件是WordPress开源的一个应用插件。 WordPress 插件 存在跨站脚本漏洞，该漏洞源于 1.20.8 版本之前的 Splash Header 插件在管理仪表板中输出时不会清理和转义其某些设置，从而导致经过身份验证的存储跨站点脚本问题。
Possible ATT&CK Techniques 1 AI
T1133 · External Remote Services
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2021-24587
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Splash Header < 1.20.8 - Authenticated Stored Cross-Site Scripting (XSS)
Source: CVE Program / CVE List V5
Vulnerability Description
The Splash Header WordPress plugin before 1.20.8 doesn't sanitise and escape some of its settings while outputting them in the admin dashboard, leading to an authenticated Stored Cross-Site Scripting issue.
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 插件是WordPress开源的一个应用插件。 WordPress 插件 存在跨站脚本漏洞，该漏洞源于 1.20.8 版本之前的 Splash Header 插件在管理仪表板中输出时不会清理和转义其某些设置，从而导致经过身份验证的存储跨站点脚本问题。
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 | Splash Header | 1.20.8 ~ 1.20.8 | - |
|
II. Public POCs for CVE-2021-24587
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2021-24587
请登录查看更多情报信息。
Vendor Advisories for CVE-2021-24587 (1)
Same Patch Batch · Unknown · 2021-09-20 · 34 CVEs total
| CVE-2021-24636 | Print My Blog < 3.4.2 - Plugin Deactivation via CSRF | |
| CVE-2021-24597 | You Shang <= 1.0.1 - Authenticated Stored Cross-Site Scripting | |
| CVE-2021-24600 | WP Dialog <= 1.2.5.5 - Authenticated Stored Cross-Site Scripting | |
| CVE-2021-24604 | Availability Calendar < 1.2.2 - Authenticated Stored Cross-Site Scripting | |
| CVE-2021-24606 | Availability Calendar < 1.2.1 - Authenticated SQL Injection | |
| CVE-2021-24609 | WP Mapa Politico Espana < 3.7.0- Authenticated Stored XSS | |
| CVE-2021-24613 | Post Views Counter < 1.3.5 - Authenticated Stored XSS | |
| CVE-2021-24618 | Donate With QRCode < 1.4.5 - Stored Cross-Site Scripting | |
| CVE-2021-24635 | Visual Link Preview < 2.2.3 - Unauthorised AJAX Calls | |
| CVE-2021-24596 | youForms for WordPress <= 1.0.5 - Authenticated Stored Cross-Site Scripting | |
| CVE-2021-24637 | Fonts Plugin < 3.0.3 - Contributor+ Stored Cross-Site Scripting | |
| CVE-2021-24638 | OMGF < 4.5.4 - Unauthenticated Path Traversal in REST API | |
| CVE-2021-24639 | OMGF < 4.5.4 - Subscriber+ Arbitrary File/Folder Deletion | |
| CVE-2021-24640 | Gutenslider < 5.2.0 - Contributor+ Stored XSS | |
| CVE-2021-24657 | Limit Login Attempts < 4.0.50 - Unauthenticated Stored Cross-Site Scripting | |
| CVE-2021-24663 | Simple School Staff Directory <= 1.1 - Admin+ Arbitrary File Upload | |
| CVE-2021-24741 | Support Board < 3.3.4 - Multiple Unauthenticated SQL Injections | |
| CVE-2021-24396 | GSEOR <= 1.3 - Authenticated SQL Injection | |
| CVE-2021-24585 | Timetable and Event Schedule by MotoPress < 2.4.0 - Arbitrary User's Hashed Password/Email | |
| CVE-2021-24584 | Timetable and Event Schedule by MotoPress < 2.4.2 - Unauthorised Event TimeSlot Update |
Showing top 20 of 34 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same vendor: Unknown
-
CVE-2026-96173
Payments for Hubtel < 1.0.2 - Unauthenticated Order Key Disc -
CVE-2026-96200
Payments for Hubtel < 1.0.2 - Unauthenticated Payment Confir -
CVE-2026-96255
Payments for Hubtel < 1.0.2 - Unauthenticated Payment Gatewa -
CVE-2026-89296
Pro Like Button < 2.0 - Unauthenticated SQLi via 'postid' Pa -
CVE-2026-87973
If-So Dynamic Content 1.9.9 - 1.10.1 - Editor+ Stored XSS vi
Same weakness: CWE-79
-
CVE-2026-103292
Ghost 0.5.3 before 6.50.0 Cross-Site Scripting via ghost_hea -
CVE-2026-103277
Ghost 2.5.0 before 6.34.0 Untrusted Script Execution via oEm -
CVE-2026-103249
n8n before 1.123.80, 2.39.6, and 2.40.1 Stored DOM XSS via R -
CVE-2026-7176
Multiple vulnerabilities in Entradium by Crocantickets -
CVE-2026-7175
Multiple vulnerabilities in Entradium by Crocantickets
V. Comments for CVE-2021-24587
No comments yet