Security readout for executives and security teams
Plain-English summary
Ametys CMS 4.4.1 has a stored cross-site scripting issue in link directory fields for external links. If an attacker can place malicious content there, later visitors may run attacker-controlled script in their browser. Business impact is mainly account/session compromise and unauthorized content or module manipulation, not direct server takeover.
Executive priority
Treat as a near-term web application remediation item, especially for public sites or CMS environments with many content contributors. It is not evidenced as actively exploited here, but stored XSS can affect privileged users and damage site integrity.
Technical view
CVE-2022-50937 is CWE-79 persistent XSS affecting Ametys CMS 4.4.1. The source bundle identifies external link text and description inputs in the link directory as affected. CVSS 3.1 is 6.1: network reachable, low complexity, no privileges, user interaction required, changed scope, low confidentiality and integrity impact.
Likely exposure
Exposure is likely limited to organizations running Ametys CMS 4.4.1 with the link directory feature reachable by untrusted or low-trust users. Public-facing sites increase risk because victims may include administrators or authenticated CMS users.
Exploitation context
A public ExploitDB entry and third-party advisories exist, but the source bundle does not show CISA KEV listing or confirmed active exploitation. Exploitation requires a victim to view stored malicious content, so practical risk depends on who can submit external link data and who later views it.
Researcher notes
Evidence supports Ametys CMS 4.4.1 only. Do not generalize to other versions without vendor confirmation. The bundle names an ExploitDB entry, but exploitation status in the wild is not established. Patch details are not provided in the supplied sources.
Mitigation direction
- Identify whether any Ametys CMS instance is version 4.4.1.
- Check Ametys vendor guidance for a fixed version or official workaround.
- Restrict who can create or edit link directory external links.
- Moderate or sanitize existing link text and description content.
- Monitor CMS user sessions and administrative activity for suspicious changes.
Validation and detection
- Inventory Ametys CMS versions across production and staging.
- Review link directory external link entries for unexpected script-like content.
- Confirm input validation and output encoding on link text and descriptions.
- Check access controls for users who can edit link directory content.
- Review application logs for unusual link directory edits.
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-2022-50937 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
- ExploitDB-50692CVE reference · exploit
- Vulnerability Lab AdvisoryCVE reference · vendor-advisory
- Official Ametys CMS HomepageCVE reference · product
- VulnCheck Advisory: Ametys CMS v4.4.1 - Cross Site Scripting (XSS)CVE reference · third-party-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.