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CVE-2026-21331— Adobe Connect | Cross-site Scripting (Reflected XSS) (CWE-79)

CVSS 6.1 · Medium EPSS 0.08% · P23
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I. Basic Information for CVE-2026-21331

Vulnerability Information
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Vulnerability Title
Adobe Connect | Cross-site Scripting (Reflected XSS) (CWE-79)
Source: NVD (National Vulnerability Database)
Vulnerability Description
Adobe Connect versions 2025.3, 12.10 and earlier are 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. Scope is changed.
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 2025.3版本、12.10及之前版本存在跨站脚本漏洞，该漏洞源于反射型跨站脚本，可能导致恶意JavaScript在受害者浏览器中执行。
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

VendorProductAffected VersionsCPESubscribe
AdobeAdobe Connect 0 ~ 12.10 -

II. Public POCs for CVE-2026-21331

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III. Intelligence Information for CVE-2026-21331

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Same Patch Batch · Adobe · 2026-04-14 · 52 CVEs total

CVE-2026-273039.6 CRITICALAdobe Connect | Deserialization of Untrusted Data (CWE-502)
CVE-2026-272459.3 CRITICALAdobe Connect | Cross-site Scripting (Reflected XSS) (CWE-79)
CVE-2026-346159.3 CRITICALAdobe Connect | Deserialization of Untrusted Data (CWE-502)
CVE-2026-272469.3 CRITICALAdobe Connect | Cross-site Scripting (DOM-based XSS) (CWE-79)
CVE-2026-272439.3 CRITICALAdobe Connect | Cross-site Scripting (Reflected XSS) (CWE-79)
CVE-2026-273049.3 CRITICALColdFusion | Improper Input Validation (CWE-20)
CVE-2026-346178.7 HIGHAdobe Connect | Cross-site Scripting (XSS) (CWE-79)
CVE-2026-272908.6 HIGHAdobe Framemaker | Untrusted Search Path (CWE-426)
CVE-2026-346228.6 HIGHAcrobat Reader | Improperly Controlled Modification of Object Prototype Attributes ('Proto
CVE-2026-273058.6 HIGHColdFusion | Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal'
CVE-2026-273068.4 HIGHColdFusion | Improper Input Validation (CWE-20)
CVE-2026-272897.8 HIGHPhotoshop Desktop | Out-of-bounds Read (CWE-125)
CVE-2026-272847.8 HIGHInDesign Desktop | Out-of-bounds Read (CWE-125)
CVE-2026-346297.8 HIGHInDesign Desktop | Heap-based Buffer Overflow (CWE-122)
CVE-2026-346287.8 HIGHInDesign Desktop | Heap-based Buffer Overflow (CWE-122)
CVE-2026-346277.8 HIGHInDesign Desktop | Heap-based Buffer Overflow (CWE-122)
CVE-2026-273137.8 HIGHBridge | Heap-based Buffer Overflow (CWE-122)
CVE-2026-273117.8 HIGHBridge | Heap-based Buffer Overflow (CWE-122)
CVE-2026-273107.8 HIGHBridge | Heap-based Buffer Overflow (CWE-122)
CVE-2026-346317.8 HIGHInCopy | Out-of-bounds Write (CWE-787)

Showing top 20 of 52 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Adobe Connect
Same vendor: Adobe
Same weakness: CWE-79

V. Comments for CVE-2026-21331

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