Stored cross-site scripting in WordPress The Post Grid plugin
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
The Post Grid plugin for WordPress by Mamunur Rashid, in versions from n/a through 7.9.7, does not neutralize input during web page generation, which is a cross-site scripting flaw (CWE-79). An attacker with low privileges can store script that runs in another user's browser when that user interacts with the affected page.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Mamunur Rashid The Post Grid the-post-grid allows Stored XSS.This issue affects The Post Grid: from n/a through 7.9.7.
Why it matters now
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 |
|---|---|---|---|---|---|
| Mamunur Rashid | The Post Grid | up to 7.9.7 | — | No fix listed | CNA |
- The Post Grid VendorMamunur Rashid Affected up to 7.9.7 Fixed in — No fix listed CNA
Remediation
The sources list no fixed version for The Post Grid.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Timeline
- 2026-10-29 Threatist record created from CVE-2026-56056
- 2026-10-29 CISA SSVC decision points changed
- 2026-10-29 Priority changed: MEDIUM → LOW
- 2026-10-29 Alias added: GHSA-hxqq-jq5h-4f4g
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- TI-2026-64012 WordPress Review Schema plugin 3.1.0 - Broken Access Control vulnerability CVSS 3.1MEDIUM 6.5
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- TI-2026-69935 Reflected cross-site scripting in ShopBuilder WordPress plugin CVSS 3.1HIGH 7.1
- TI-2026-30917 WordPress Classified Listing plugin <= 5.3.8 - Cross Site Scripting (XSS) vulnerability CVSS 3.1HIGH 7.1
- TI-2026-30938 WordPress Classified Listing plugin <= 5.3.8 - Arbitrary File Download vulnerability CVSS 3.1MEDIUM 6.5
Sources
- CVE-2026-56056 · CVE Program
- CVE-2026-56056 · NVD
- FIRST EPSS
- GHSA-hxqq-jq5h-4f4g · 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