The way URIs are handled in admin/header.php in Chadha PHPKB Standard Multi-Language 9…
Priority LOW 23CWE-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
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
The way URIs are handled in admin/header.php in Chadha PHPKB Standard Multi-Language 9 allows Reflected XSS (injecting arbitrary web script or HTML) in admin/manage-departments.php by adding a question mark (?) followed by the payload.
Why it matters now
EPSS 0.00611 49th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged 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:chadhaajay:phpkb:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Chadhaajay |
- cpe:2.3:a:chadhaajay:phpkb:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Chadhaajay
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-10421
- 2026-10-03 Alias added: GHSA-f7x5-chjj-xjx8
References
More Chadhaajay Phpkb vulnerabilities
- TI-2020-09281 An issue was discovered in Chadha PHPKB 9.0 Enterprise Edition. CVSS 3.1HIGH 7.5
- TI-2020-08320 admin/imagepaster/image-upload.php in Chadha PHPKB Standard Multi-Language 9 allows… CVSS 3.1HIGH 7.2
- TI-2020-08412 CSRF in admin/manage-settings.php in Chadha PHPKB Standard Multi-Language 9 allows… CVSS 3.1HIGH 8.8
- TI-2020-08324 OS Command Injection in export.php (vulnerable function called from… CVSS 3.1HIGH 7.2
- TI-2020-08323 admin/save-settings.php in Chadha PHPKB Standard Multi-Language 9 allows remote attackers… CVSS 3.1HIGH 7.2
- TI-2020-08321 Path Traversal in admin/download.php in Chadha PHPKB Standard Multi-Language 9 allows… CVSS 3.1MEDIUM 4.9
Sources
- CVE-2020-10421 · CVE Program
- CVE-2020-10421 · NVD
- FIRST EPSS
- GHSA-f7x5-chjj-xjx8 · 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