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Adobe Experience Manager Forms EUVDEUVD-2026-35765

| CVE-2026-34693 HIGH
Cross-site Scripting (XSS) (CWE-79)
2026-06-09 adobe GHSA-92h9-9fj6-4hp7
8.0
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
8.0 HIGH
AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
None

Lifecycle Timeline

6
Severity Changed
Jul 29, 2026 - 19:22 NVD
MEDIUM HIGH
CVSS changed
Jul 29, 2026 - 19:22 NVD
4.7 (MEDIUM) 8.0 (HIGH)
Severity Changed
Jun 11, 2026 - 17:37 NVD
HIGH MEDIUM
CVSS changed
Jun 11, 2026 - 17:37 NVD
8.0 (HIGH) 4.7 (MEDIUM)
Analysis Generated
Jun 09, 2026 - 18:51 vuln.today
CVE Published
Jun 09, 2026 - 17:13 nvd
HIGH 8.0

DescriptionNVD

Adobe Experience Manager Forms JEE versions LTS SP1, 6.5.24.0 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. Exploit depends on conditions beyond the attacker's control. 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.

AnalysisAI

Reflected Cross-Site Scripting in Adobe Experience Manager Forms JEE (LTS SP1 and 6.5.24.0 and earlier) allows remote unauthenticated attackers to execute arbitrary script in a victim's browser session, potentially hijacking accounts or escalating privileges within the AEM Forms environment. The Scope:Changed flag in the CVSS vector indicates the impact extends beyond the vulnerable component, which combined with High confidentiality and integrity impacts yields a CVSS of 8.0. No public exploit identified at time of analysis, and the issue is not currently listed in CISA KEV.

Technical ContextAI

Adobe Experience Manager (AEM) Forms JEE is the Java Enterprise Edition deployment of Adobe's enterprise forms platform, used to author, deliver, and process interactive PDF and HTML forms in regulated and large-enterprise workflows. The root cause is CWE-79 (Improper Neutralization of Input During Web Page Generation), where attacker-controlled input present in an HTTP request parameter is reflected back into a server-rendered response without proper output encoding or context-aware sanitization. Because the CVSS scope is Changed (S:C), the injected script likely executes in a security context that crosses an authorization boundary - for example, an authenticated administrator session or a different origin within the AEM application - amplifying the impact relative to a same-origin reflected XSS. The affected CPE is cpe:2.3:a:adobe:adobe_experience_manager_forms_jee covering the JEE variant only (not the OSGi/AEM as a Cloud Service deployment).

RemediationAI

Patch available per vendor advisory APSB26-57 (https://helpx.adobe.com/security/products/aem-forms/apsb26-57.html); apply the fixed AEM Forms JEE Service Pack referenced in that bulletin as the primary remediation - exact post-LTS-SP1 / post-6.5.24.0 fix build should be taken from the Adobe advisory itself. Until the patch is deployed, restrict network exposure of the AEM Forms author and admin interfaces to trusted management VLANs or via a VPN/zero-trust proxy so the reflective endpoint is not reachable from arbitrary internet origins, and consider placing a WAF rule in front of AEM Forms that strips or rejects HTML/JavaScript metacharacters (<, >, quotes, javascript: scheme) in query-string and form parameters - note this can break legitimate rich-content workflows and should be tuned. Enforcing a strict Content-Security-Policy header (default-src 'self'; script-src with nonces) and HttpOnly/SameSite=Lax on administrative session cookies reduces the value of any successful reflection but does not eliminate the vulnerability. Educate AEM Forms administrators not to click links to the AEM domain from untrusted sources until patching is complete.

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EUVD-2026-35765 vulnerability details – vuln.today

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