Security readout for executives and security teams
Plain-English summary
A low-privileged user could save malicious script content in an Adobe Experience Manager form field. When another user views the affected page, the script may run in their browser, potentially exposing limited data or performing actions with their session. The source bundle identifies AEM 6.5.23 and earlier as affected.
Executive priority
Treat this as a scheduled but prompt remediation item, escalating systems with external exposure, broad low-privileged access, or privileged users viewing submitted content. The moderate score reflects required authentication and victim interaction, but stored scripts can still undermine trusted administrative or editorial sessions.
Technical view
CVE-2026-27230 is a stored cross-site scripting vulnerability, CWE-79, reachable over the network with low privileges and requiring victim interaction. Its CVSS 3.1 score is 5.4. Successful exploitation can cross a security boundary and cause limited confidentiality and integrity impact, without direct availability impact.
Likely exposure
Exposure is most likely where AEM 6.5.23 or earlier permits low-privileged users to submit content through vulnerable form fields that other users subsequently view. Internet accessibility may increase opportunity, but authenticated privileges are required. The bundle does not clearly establish exposure boundaries for Cloud Service or 6.5 LTS deployments.
Exploitation context
The CVE is not listed as a CISA KEV in the supplied bundle, and no cited evidence of active exploitation or public weaponization is provided. Exploitation nevertheless has low complexity once an attacker has suitable low-privileged access, but it still requires a victim to visit affected content.
Researcher notes
The supplied vector is CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N. The narrative explicitly identifies AEM 6.5.23 and earlier. Structured product entries also mention Cloud Service, 6.5 LTS, and boundary values, but their range semantics are incomplete in the bundle; validate those editions directly against Adobe’s advisory.
Mitigation direction
- Inventory AEM deployments and identify instances running version 6.5.23 or earlier.
- Review Adobe advisory APSB26-24 for the applicable update and deployment-specific instructions.
- Prioritize externally reachable authoring or content-submission workflows accessible to low-privileged accounts.
- Restrict unnecessary low-privileged content submission until vendor remediation is confirmed.
- Review stored form content for unexpected script-capable markup or suspicious recent changes.
Validation and detection
- Confirm deployed AEM editions and exact versions using authoritative asset and configuration records.
- Compare each deployment against the product boundaries documented in Adobe APSB26-24.
- Identify form fields accepting persistent user-controlled content and determine who can submit and view it.
- Verify vendor remediation is installed and recorded through approved patch-management evidence.
- Review application and content audit logs for suspicious submissions involving affected workflows.
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-2026-27230 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.