Security readout for executives and security teams
Plain-English summary
A logged-in attacker could save malicious script content in a vulnerable Adobe Experience Manager form field. The script may then run when another user views the affected page, potentially exposing browser-accessible information or allowing actions within that user’s session. Victim interaction is required, and the supplied severity is medium.
Executive priority
Schedule prompt remediation through normal vulnerability-management processes, prioritizing public-facing and multi-user authoring environments. Escalate if untrusted users can edit content later viewed by administrators. The supplied evidence supports moderate urgency, not emergency response absent additional exploitation indicators.
Technical view
CVE-2026-27224 is stored cross-site scripting (CWE-79) with CVSS 3.1 score 5.4. Exploitation is network-accessible, low complexity, requires low privileges and victim interaction, changes security scope, and has low confidentiality and integrity impact without availability impact.
Likely exposure
Prioritize internet-facing or broadly accessed AEM instances where lower-privileged users can populate affected form fields. The bundle identifies AEM 6.5.23 and earlier, while its structured ranges also reference Cloud Service and 6.5 LTS; confirm exact applicability against Adobe’s advisory.
Exploitation context
The attacker must have low-privileged access to store content, and a victim must browse the page containing it. The bundle does not report active exploitation, and the CVE is not marked as present in KEV. This does not prove exploitation is absent.
Researcher notes
The vector is CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N. The narrative explicitly names AEM 6.5.23 and earlier, but structured data also lists Cloud Service and 6.5 LTS boundaries. Treat those boundaries cautiously and use APSB26-24 as the authoritative applicability source.
Mitigation direction
- Review Adobe advisory APSB26-24 for the applicable product-specific update or remediation.
- Upgrade affected AEM deployments to an Adobe-designated unaffected release.
- Restrict untrusted users from editing vulnerable form fields until remediation is complete.
- Apply least privilege to AEM authoring and content-management accounts.
Validation and detection
- Inventory AEM product lines and exact deployed versions across author and publish environments.
- Compare each deployment with Adobe APSB26-24 affected-version guidance.
- Identify workflows allowing lower-privileged users to save content in form fields.
- After remediation, verify stored field content cannot execute script in another user’s browser.
- Review AEM and identity logs for suspicious field edits and subsequent privileged page views.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-27224 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N2.32.7adobeVulnerability scoring details
Base CVSS 3.1 score
5.4MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://helpx.adobe.com/security/products/experience-manager/apsb26-24.htmlCVE reference, adobe · vendor-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.