Security readout for executives and security teams
Plain-English summary
A low-privileged user can save malicious JavaScript in certain Adobe Experience Manager form fields. The script runs when another user visits the affected page, potentially exposing browser-accessible information or performing actions as that user. Exploitation requires both authenticated low-level access and victim interaction, limiting—but not eliminating—business risk.
Executive priority
Schedule remediation through the normal vulnerability-management cycle, prioritizing externally reachable or broadly delegated AEM environments. Escalate if low-privileged accounts can edit content viewed by administrators, customers, or large internal audiences. No evidence supplied supports emergency treatment for active exploitation.
Technical view
CVE-2026-27241 is a stored cross-site scripting vulnerability (CWE-79) with CVSS 3.1 score 5.4. It is remotely reachable, low complexity, requires low privileges and user interaction, and crosses a security boundary. Expected impact is limited confidentiality and integrity loss without availability impact.
Likely exposure
Exposure is most likely where affected AEM authoring or form functionality is reachable by low-privileged users who can store field content. The bundle identifies AEM 6.5.23 and earlier and also lists Cloud Service and 6.5 LTS release boundaries. Confirm the exact edition and release against Adobe’s advisory.
Exploitation context
The attacker must have low-privileged access, place script content into a vulnerable field, and induce another user to view the containing page. The supplied sources do not establish public exploitation, exploit availability, or inclusion in CISA KEV.
Researcher notes
The vector is CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N. Scope change reflects script execution in a victim’s browser context. The bundle does not identify the precise vulnerable fields, affected components, proof of concept, indicators of compromise, or observed attacks; consult Adobe’s advisory for implementation-specific details.
Mitigation direction
- Update AEM 6.5 to version 6.5.24 or later, following Adobe’s advisory.
- For AEM 6.5 LTS, move to SP2 or later as applicable.
- For Cloud Service, confirm deployment is on release 2026.2.0 or later.
- Restrict low-privileged content-entry access until remediation is verified.
Validation and detection
- Inventory AEM edition, deployment model, and exact installed release.
- Compare each deployment with the affected boundaries in Adobe’s advisory.
- Test authorized low-privileged roles for access to editable form fields.
- After updating, verify stored field content cannot execute JavaScript in another user’s browser.
- Review relevant content changes and access logs for suspicious stored scripts.
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-2026-27241 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.