WordPress GD Security Headers plugin <= 1.8 - Cross Site Scripting (XSS) vulnerability
Priority LOW 31CWE-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 · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Milan Petrovic GD Security Headers gd-security-headers allows Reflected XSS.This issue affects GD Security Headers: from n/a through <= 1.8.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00251 16th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
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 |
|---|---|---|---|---|---|
| Milan Petrovic | GD Security Headers | up to 1.8 | — | No fix listed | CNA |
- GD Security Headers VendorMilan Petrovic Affected up to 1.8 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-57403
- 2026-10-03 Alias added: GHSA-43x4-rq45-2wx7
More Milan Petrovic vulnerabilities
- TI-2024-00786 coreActivity < 1.8.1 - Unauthenticated Stored XSS CVSS 3.1HIGH 8.8
- TI-2024-00801 coreActivity < 2.1 - Unauthenticated IP Spoofing CVSS 3.1MEDIUM 5.3
- TI-2026-30898 WordPress GD Rating System plugin <= 3.6.2 - SQL Injection vulnerability CVSS 3.1CRITICAL 9.3
- TI-2023-02926 GD Mail Queue <= 3.9.3 - Unauthenticated Stored Cross-Site Scripting via Email CVSS 3.1HIGH 7.2
- TI-2026-41594 WordPress GD Rating System plugin <= 3.7 - SQL Injection vulnerability CVSS 3.1HIGH 8.5
- TI-2023-25292 WordPress GD Security Headers Plugin <= 1.7 is vulnerable to SQL Injection CVSS 3.1HIGH 7.6
Sources
- CVE-2026-57403 · CVE Program
- CVE-2026-57403 · NVD
- FIRST EPSS
- GHSA-43x4-rq45-2wx7 · GitHub Advisory Database · CC BY 4.0
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