PatchSiren cyber security CVE debrief
CVE-2025-64854 Adobe CVE debrief
A stored Cross-Site Scripting (XSS) vulnerability in Adobe Experience Manager could allow a low-privileged attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victim's browser when they browse to the page containing the vulnerable field. The vulnerability has a CVSS score of 5.4 and is classified as MEDIUM severity. This vulnerability affects Adobe Experience Manager instances, and defenders should assess exposure and apply patches or mitigations to prevent exploitation.
- Vendor
- Adobe
- Product
- Experience Manager
- CVSS
- MEDIUM 5.4
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-09-08
- Original CVE updated
- 2026-09-11
- Advisory published
- 2026-09-08
- Advisory updated
- 2026-09-11
Who should care
Defenders responsible for Adobe Experience Manager instances, security teams, and IT administrators should assess exposure and take necessary actions to prevent exploitation. This includes reviewing the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance. Defenders should also plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.
Why it matters
Defenders should care about this vulnerability because it could allow low-privileged attackers to inject malicious scripts into vulnerable form fields in Adobe Experience Manager, potentially leading to execution of malicious JavaScript in victims' browsers. Defenders responsible for Adobe Experience Manager instances, security teams, and IT administrators should assess exposure and take necessary actions to prevent exploitation.
- Potential execution of malicious JavaScript in victims' browsers
- Possible injection of malicious scripts into vulnerable form fields
- Required assessment of exposure and application of patches or mitigations
Technical summary
A stored Cross-Site Scripting (XSS) vulnerability in Adobe Experience Manager could allow a low-privileged attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victim's browser when they browse to the page containing the vulnerable field. The vulnerability has a CVSS score of 5.4 and is classified as MEDIUM severity. This vulnerability affects Adobe Experience Manager instances, and defenders should assess exposure and apply patches or mitigations to prevent exploitation. The vulnerability is a result of inadequate input validation and sanitization of user-supplied input.
Defensive priority
Defenders should prioritize assessing exposure and applying patches or mitigations to prevent exploitation of this vulnerability.
Recommended defensive actions
- Assess exposure of Adobe Experience Manager instances to this vulnerability
- Apply patches or mitigations provided by Adobe to vulnerable instances
- Monitor for potential exploitation attempts
- Review compensating controls for exposed systems while remediation is scheduled and verified
- Check relevant monitoring, detection, and logs for exposed assets that need extra review
- Track exceptions, retest remediated assets, and close the item only after evidence is documented
- Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
Evidence notes
The CVE record and NVD entry provide details on the vulnerability, including its description, CVSS score, and affected versions. The vulnerability is a stored Cross-Site Scripting (XSS) vulnerability in Adobe Experience Manager. The CVE record was published on 2026-09-08T20:17:26.923Z and has not been modified since then. Defenders should verify the affected versions and assess exposure to this vulnerability.
Sources and references
Verified primary and authoritative sources
-
CVE-2025-64854 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2025-64854
CVE Program - Official CVE Program record with source-provided CVE metadata.
-
CVE-2025-64854 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2025-64854
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
-
Source reference
Unverified legacy reference
URL: https://helpx.adobe.com/security/products/experience-manager/apsb26-98.html
[email protected] - Vendor Advisory
Methodology and review provenance
AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.