Security readout for executives and security teams
A vulnerable GetSimple CMS Custom JS plugin version can let an attacker trick a logged-in administrator into visiting a malicious page. That page can cause malicious script to run in the admin’s browser and may lead to code execution on the hosting server. This is high urgency for any public site using the plugin. Exposure is limited to GetSimple CMS deployments using the Custom JS Plugin version 0.1. Internet-facing CMS admin portals increase practical risk, especially where administrators browse while authenticated. The provided sources do not identify other affected versions or products. Treat as high priority where the affected plugin is installed. The business risk is website compromise and possible server code execution after administrator interaction. Prioritize validation and containment on public-facing GetSimple CMS sites. Mitigation focus: Identify any GetSimple CMS sites using Custom JS Plugin 0.1.; Disable or remove the Custom JS plugin if business use is not essential.; Check vendor and project guidance for an updated or fixed plugin version..
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
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ATT&CK lookup starting points
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CWE-352: 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 lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-47860 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 8.5 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
CNA and ADP enrichment extracted from CVE v5
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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:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
8.5HighVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-49816CVE reference · exploit
- GetSimple CMS GitHub RepositoryCVE reference · product
- Researcher DisclosureCVE reference · technical-description, exploit
- ExploitDB-49712CVE reference · exploit
- VulnCheck Advisory: GetSimple CMS Custom JS 0.1 - CSRF to XSS to RCECVE 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.
Cross-Site Request Forgery (CSRF)
Cross-Site Request Forgery (CSRF) represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.