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CVE-2026-27243— Adobe Connect | Cross-site Scripting (Reflected XSS) (CWE-79)

Quick assessment

Affected
Adobe Adobe Connect
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.

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版本和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内容在受害者浏览器环境中执行。

CVSS 9.3 · Critical EPSS 0.74% · P53

Affected Version Matrix 4

VendorProduct Version RangeStatus
Adobe Adobe Connect ≤ 12.10 affected
12.11 unaffected
Adobe Adobe Connect Desktop Application ≤ 2025.3 affected
2025.9 unaffected
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I. Basic Information for CVE-2026-27243

Vulnerability Information
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Vulnerability Title
Adobe Connect | Cross-site Scripting (Reflected XSS) (CWE-79)
Source: CVE Program / CVE List V5
Vulnerability Description
Adobe Connect versions 2025.3, 12.10 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulnerability. An attacker could exploit this vulnerability to inject malicious scripts into a web page, potentially gaining elevated access or control over the victim's account or session. Exploitation of this issue requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web page. Scope is changed.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
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
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版本和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内容在受害者浏览器环境中执行。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Adobe Adobe Connect 0 ~ 12.10 -
Adobe Adobe Connect Desktop Application 0 ~ 2025.3 -

II. Public POCs for CVE-2026-27243

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III. Intelligence Information for CVE-2026-27243

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Vendor Advisories for CVE-2026-27243 (1)

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

CVE-2026-27303 9.6 CRITICAL Adobe Connect | Deserialization of Untrusted Data (CWE-502)
CVE-2026-27246 9.3 CRITICAL Adobe Connect | Cross-site Scripting (DOM-based XSS) (CWE-79)
CVE-2026-27245 9.3 CRITICAL Adobe Connect | Cross-site Scripting (Reflected XSS) (CWE-79)
CVE-2026-34615 9.3 CRITICAL Adobe Connect | Deserialization of Untrusted Data (CWE-502)
CVE-2026-27304 9.3 CRITICAL ColdFusion | Improper Input Validation (CWE-20)
CVE-2026-34617 8.7 HIGH Adobe Connect | Cross-site Scripting (XSS) (CWE-79)
CVE-2026-27290 8.6 HIGH Adobe Framemaker | Untrusted Search Path (CWE-426)
CVE-2026-34622 8.6 HIGH Acrobat Reader | Improperly Controlled Modification of Object Prototype Attributes ('Proto
CVE-2026-27305 8.6 HIGH ColdFusion | Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal'
CVE-2026-27306 8.4 HIGH ColdFusion | Improper Input Validation (CWE-20)
CVE-2026-34618 7.8 HIGH Illustrator | Out-of-bounds Write (CWE-787)
CVE-2026-27312 7.8 HIGH Bridge | Heap-based Buffer Overflow (CWE-122)
CVE-2026-27313 7.8 HIGH Bridge | Heap-based Buffer Overflow (CWE-122)
CVE-2026-34629 7.8 HIGH InDesign Desktop | Heap-based Buffer Overflow (CWE-122)
CVE-2026-34628 7.8 HIGH InDesign Desktop | Heap-based Buffer Overflow (CWE-122)
CVE-2026-34627 7.8 HIGH InDesign Desktop | Heap-based Buffer Overflow (CWE-122)
CVE-2026-27311 7.8 HIGH Bridge | Heap-based Buffer Overflow (CWE-122)
CVE-2026-27310 7.8 HIGH Bridge | Heap-based Buffer Overflow (CWE-122)
CVE-2026-27284 7.8 HIGH InDesign Desktop | Out-of-bounds Read (CWE-125)
CVE-2026-34631 7.8 HIGH InCopy | 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-2026-27243

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