GetSimpleCMS 3.3.16 contains a cross-site Scripting (XSS) vulnerability, where Function…
Priority LOW 29CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
GetSimpleCMS 3.3.16 contains a cross-site Scripting (XSS) vulnerability, where Function TSL does not filter check settings.php Website URL: "siteURL" parameter.
Why it matters now
EPSS 0.00937 61st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:get-simple:getsimplecms:3.3.16:*:*:*:*:*:*:* | 3.3.16 | Vulnerable | GetSimple CMS |
- cpe:2.3:a:get-simple:getsimplecms:3.3.16:*:*:*:*:*:*:* Versions 3.3.16 Vulnerable ·GetSimple CMS
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-36601
- 2026-10-03 Alias added: GHSA-c69q-mgj9-mpv4
References
More GetSimple CMS Getsimplecms vulnerabilities
- TI-2023-24706 An issue in GetSimpleCMS v.3.4.0a allows a remote attacker to execute arbitrary code via… CVSS 3.1CRITICAL 9.8
- TI-2021-22474 GetSimple CMS Custom JS 0.1 - CSRF to XSS to RCE CVSS 4.0HIGH 8.5
- TI-2013-06175 GetSimple CMS 3.2.1 Authenticated RCE via Arbitrary PHP File Upload CVSS 4.0HIGH 8.7
- TI-2021-22394 GetSimple CMS My SMTP Contact Plugin 1.1.2 - PHP Code Injection CVSS 4.0HIGH 8.6
- TI-2024-10309 GetSimpleCMS profile.php cross-site request forgery CVSS 4.0MEDIUM 6.9
- TI-2023-24705 Cross Site Scripting vulnerability in GetSimpleCMS v.3.4.0a allows a remote attacker to… CVSS 3.1MEDIUM 5.4
Sources
- CVE-2021-36601 · CVE Program
- CVE-2021-36601 · NVD
- FIRST EPSS
- GHSA-c69q-mgj9-mpv4 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences