Cross-site scripting in baserproject baserCMS
Priority LOW 25CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-79.
Summary
Stored cross-site scripting vulnerability in User group management of baserCMS versions prior to 4.7.2 allows a remote authenticated attacker with an administrative privilege to inject an arbitrary script.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00625 50th percentileScored 2026-11-07
Fix Fixed baserCMS (baserCMS Users Community): 4.7.2baserproject/basercms (Packagist): 4.7.2
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| baserproject | baserCMS | before 4.7.2 | 4.7.2 | Patch available | CNA |
| — | baserproject/basercms (Packagist) | before 4.7.2 | 4.7.2 | Patch available | GHSA-7w2v-35j3-xrm9 |
- baserCMS Vendorbaserproject Affected before 4.7.2 Fixed in 4.7.2 Patch available CNA
- baserproject/basercms (Packagist) Vendor— Affected before 4.7.2 Fixed in 4.7.2 Patch available GHSA-7w2v-35j3-xrm9
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:basercms:basercms:*:*:*:*:*:*:*:* | before 4.7.2 | Vulnerable | baserproject |
- cpe:2.3:a:basercms:basercms:*:*:*:*:*:*:*:* Versions before 4.7.2 Vulnerable ·baserproject
Remediation
- Fix · CNA baserCMS (baserCMS Users Community) Fixed in 4.7.2
- Fix · GHSA-7w2v-35j3-xrm9 baserproject/basercms (Packagist) Fixed in 4.7.2 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2022-42486
- 2026-10-03 Alias added: GHSA-7w2v-35j3-xrm9
- 2026-11-03 EPSS moved to the 50th–90th percentile
References
More baserproject Basercms vulnerabilities
- TI-2026-17563 baserCMS: OS Command Injection Leading to Remote Code Execution (RCE) CVSS 3.1CRITICAL 9.1
- TI-2025-23967 baserCMS: unsafe File Upload Leading to Remote Code Execution (RCE) CVSS 3.1HIGH 8.7
- TI-2026-23707 baserCMS: Mail Form Acceptance Bypass via Public API CVSS 3.1MEDIUM 5.3
- TI-2023-10935 baserCMS File Uploader Remote Code Execution (RCE) vulnerability CVSS 3.1CRITICAL 9.8
- TI-2023-10936 baserCMS allows any file to be uploaded CVSS 3.1CRITICAL 9.8
- TI-2023-23483 baserCMS Code Injection Vulnerability in Mail Form Feature CVSS 3.1CRITICAL 9.8
Sources
- CVE-2022-42486 · CVE Program
- CVE-2022-42486 · NVD
- FIRST EPSS
- GHSA-7w2v-35j3-xrm9 · 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