Security readout for executives and security teams
Plain-English summary
Apache Sling App CMS 1.1.4 and earlier has a reflected cross-site scripting issue in multiple CMS reference or UI features. An attacker could cause script to run in a user's browser if the user interacts with crafted content. The vendor guidance is to upgrade to version 1.1.6 or later.
Executive priority
Treat as a planned security update unless the CMS is externally reachable or used by many untrusted accounts. The business risk is browser-session compromise or content tampering through user interaction, not direct server takeover based on the cited sources.
Technical view
The CVE describes CWE-79 improper input neutralization during web page generation in Apache Sling App CMS. CVSS 3.1 is 6.1 with network attack vector, low complexity, required user interaction, changed scope, low confidentiality and integrity impact, and no availability impact. The description says an authenticated remote attacker may trigger reflected XSS.
Likely exposure
Exposure is limited to organizations running Apache Sling App CMS version 1.1.4 or earlier. Publicly reachable CMS environments, shared authoring systems, or deployments with many authenticated users should be reviewed first.
Exploitation context
No source in the bundle reports active exploitation, and the CVE is not listed as KEV. The attack is reflected XSS and requires user interaction per CVSS. Evidence is incomplete on which exact features are affected beyond multiple CMS reference or UI components.
Researcher notes
There is a source inconsistency: the description says an authenticated remote attacker, while the provided CVSS vector has PR:N. Do not assume unauthenticated exploitation without vendor clarification. The bundle names the fixed version but does not enumerate every affected feature or route.
Mitigation direction
- Inventory Apache Sling App CMS deployments and identify versions 1.1.4 or earlier.
- Upgrade Apache Sling App CMS to version 1.1.6 or later.
- Review Apache Sling advisory notes for deployment-specific guidance.
- Prioritize internet-facing or broadly accessible CMS instances.
- Monitor web and endpoint alerts for XSS-related activity.
Validation and detection
- Confirm the deployed Apache Sling App CMS version is 1.1.6 or newer.
- Review affected CMS reference and UI component pages for unsafe reflected input handling.
- Verify regression tests cover HTML escaping and input neutralization paths.
- Confirm no vulnerable 1.1.4-or-earlier instances remain in production or staging.
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-2023-22849 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
- 6.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/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.
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:N/UI:R/S:C/C:L/I:L/A:N2.82.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.1MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://sling.apache.org/news.htmlCVE reference · 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.