WordPress Post Grid Master plugin <= 3.4.8 - Auth. Cross Site Scripting (XSS) vulnerability
Priority LOW 29CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- 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 AddonMaster Post Grid Master allows Stored XSS.This issue affects Post Grid Master: from n/a through 3.4.8.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00331 26th 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 |
|---|---|---|---|---|---|
| AddonMaster | Post Grid Master | up to 3.4.8 | — | No fix listed | CNA |
- Post Grid Master VendorAddonMaster Affected up to 3.4.8 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:addonmaster:post_grid_master:*:*:*:*:*:wordpress:*:* | before 3.4.9 | Vulnerable | AddonMaster |
- cpe:2.3:a:addonmaster:post_grid_master:*:*:*:*:*:wordpress:*:* Versions before 3.4.9 Vulnerable ·AddonMaster
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-34390
- 2026-10-03 Alias added: GHSA-r2pm-p649-q2r3
References
More AddonMaster Post Grid Master vulnerabilities
- TI-2024-10788 Post Grid Master <= 3.4.12 - Missing Authorization to Unauthenticated Local PHP File Inclusion CVSS 3.1CRITICAL 9.8
- TI-2025-22244 WordPress Post Grid Master plugin <= 3.4.17 - Broken Access Control vulnerability CVSS 3.1HIGH 8.8
- TI-2024-28827 WordPress Post Grid Master plugin <= 3.4.10 - Reflected Cross Site Scripting (XSS) vulnerability CVSS 3.1HIGH 7.1
- TI-2025-18450 WordPress Post Grid Master plugin <= 3.4.12 - Local File Inclusion vulnerability CVSS 3.1MEDIUM 6.5
- TI-2024-22712 WordPress Post Grid Master plugin <= 3.4.7 - Broken Access Control vulnerability CVSS 3.1MEDIUM 5.3
- TI-2025-04559 Post Grid Master <= 3.4.13 - Reflected Cross-Site Scripting via argsArray['read_more_text'] CVSS 3.1MEDIUM 6.1
Sources
- CVE-2024-34390 · CVE Program
- CVE-2024-34390 · NVD
- FIRST EPSS
- GHSA-r2pm-p649-q2r3 · 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