CVE-2021-40721— Adobe Connect Reflected Cross Site Scripting
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2021-40721
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View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
Adobe Connect Reflected Cross Site Scripting
Source: NVD (National Vulnerability Database)
Vulnerability Description
Adobe Connect version 11.2.3 (and earlier) is affected by a reflected Cross-Site Scripting (XSS) vulnerability. If an attacker is able to convince a victim to visit a URL referencing a vulnerable page, malicious JavaScript content may be executed within the context of the victim's browser.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
Vulnerability Title
Adobe Connect 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Adobe Connect是美国奥多比（Adobe）公司的一个用于创建会议环境的软件。 Adobe Connect 存在跨站脚本漏洞，该漏洞源于产品未对用户提供的数据做有效处理。攻击者可通过该漏洞执行客户端代码。以下产品及版本受到影响：Adobe Connect 11.0, Adobe Connect 11.0.5 至 11.0.7 版本, Adobe Connect 11.2 至 11.2.2 版本。
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-2021-40721
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2021-40721
请登录查看更多情报信息。
- https://helpx.adobe.com/security/products/connect/apsb21-91.htmlx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-40721
Same Patch Batch · Adobe · 2021-10-15 · 8 CVEs total
| CVE-2021-40720 | 9.8 CRITICAL | Ops CLI Deserialization of Untrusted Data leads to Abritrary Code Execution |
| CVE-2021-40728 | 7.8 HIGH | Adobe Acrobat Reader DC Use After Free Arbitrary Code Execution |
| CVE-2021-40724 | 7.8 HIGH | Adobe Acrobat Reader Android Abritrary Code Execution Vulnerability |
| CVE-2021-39864 | 6.5 MEDIUM | Adobe Commerce Cross-Site Request Forgery (CSRF) Could Lead To Unauthorized Cart Addition |
| CVE-2021-40729 | 3.3 LOW | Adobe Acrobat Reader DC PDF Out-of-Bound Read Vulnerability Information Disclosure |
| CVE-2021-40731 | Adobe Acrobat Reader DC JPEG2000 Parsing Out-Of-Bounds Write Remote Code Execution Vulnera | |
| CVE-2021-40730 | Adobe Acrobat Reader DC JPEG2000 Parsing Use-After-Free Information Disclosure Vulnerabili |
IV. Related Vulnerabilities
Same product: Connect
- CVE-2025-15331
Tanium addressed an uncontrolled resource consumption vulner - CVE-2024-31849
CData Connect 安全漏洞 - CVE-2023-22232
Adobe Connect Improper Access Control Security feature bypas - CVE-2021-40719
Adobe Connect Deserialization of Untrusted Data Remote Code - CVE-2021-36063
Adobe Connect Reflected Cross-site Scripting via 'isTabletDe
Same vendor: Adobe
- CVE-2026-34632
Photoshop Installer | CWE-427: Uncontrolled Search Path Elem - CVE-2026-27297
Adobe Framemaker | Integer Underflow (Wrap or Wraparound) (C - CVE-2026-27300
Adobe Framemaker | Access of Uninitialized Pointer (CWE-824) - CVE-2026-27296
Adobe Framemaker | Integer Underflow (Wrap or Wraparound) (C - CVE-2026-27290
Adobe Framemaker | Untrusted Search Path (CWE-426)
Same weakness: CWE-79
- CVE-2026-8262
Devs Palace ERP Online chart-save cross site scripting - CVE-2026-8256
Devs Palace ERP Online mr-save cross site scripting - CVE-2026-8255
Devs Palace ERP Online add_new_customer cross site scripting - CVE-2026-8254
Devs Palace ERP Online sales_save cross site scripting - CVE-2026-8253
Devs Palace ERP Online purchase_save cross site scripting
V. Comments for CVE-2021-40721
No comments yet