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CVE-2026-48355 Adobe CVE debrief

Adobe Experience Manager is affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by 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, tracked as CVE-2026-48355, has a CVSS score of 5.4 and a MEDIUM severity. Users of Adobe Experience Manager versions 6.5.25.0 and earlier, 2020.5.0 and earlier for AEM Cloud Service, and LTS versions prior to the latest updates should assess and apply patches.

Vendor
Adobe
Product
Experience Manager
CVSS
MEDIUM 5.4
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-14
Original CVE updated
2026-07-17
Advisory published
2026-07-14
Advisory updated
2026-07-17

Who should care

Users of Adobe Experience Manager versions 6.5.25.0 and earlier, 2020.5.0 and earlier for AEM Cloud Service, and LTS versions prior to the latest updates should assess and apply patches. Security teams and administrators responsible for Adobe Experience Manager deployments should review the vulnerability details and apply necessary patches or mitigations.

Technical summary

The vulnerability, tracked as CVE-2026-48355, is a stored Cross-Site Scripting (XSS) issue in Adobe Experience Manager. A low-privileged attacker could inject malicious scripts into vulnerable form fields, which may be executed in a victim's browser when they access the page containing the vulnerable field. The vulnerability has a CVSS score of 5.4 and a MEDIUM severity. The scope of the vulnerability is changed.

Defensive priority

Medium priority given the CVSS score of 5.4 and the potential for attackers to inject malicious scripts.

Recommended defensive actions

  • Inventory vulnerable Adobe Experience Manager versions and apply patches or updates as available.
  • Implement compensating controls such as web application firewalls to detect and prevent XSS attacks.
  • Monitor for suspicious activity and implement exception tracking for potential security incidents.
  • Enforce least privilege access for users interacting with Adobe Experience Manager.
  • Consider additional security measures such as input validation and output encoding.
  • Review 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.

Evidence notes

The CVE record was published on 2026-07-14T20:17:08.300Z and was last modified on 2026-07-17T17:45:23.320Z. The NVD entry is currently Analyzed. The vulnerability is a stored Cross-Site Scripting (XSS) issue in Adobe Experience Manager. A low-privileged attacker could inject malicious scripts into vulnerable form fields, which may be executed in a victim's browser when they access the page containing the vulnerable field. The scope of the vulnerability is changed.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-14T20:17:08.300Z and has not been modified since then. The NVD entry is currently Analyzed.