TI-2021-06942 Aliases CVE-2021-24660 GHSA-4gw5-jrj4-5wc6

PostX Gutenberg Blocks Saved Templates Addon < 2.4.10 - Contributor+ Stored Cross-Site Scripting

LOW 25CWE-79Published 2021-09-27 · Updated 2024-08-03

Key facts

Attack vector: Network
Privileges required: Low
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 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

The PostX – Gutenberg Blocks for Post Grid WordPress plugin before 2.4.10, with Saved Templates Addon enabled, allows users with a role as low as Contributor to perform Stored Cross-Site Scripting attacks via the plugin's shortcode.

Why it matters now

EPSS 0.00534 45th percentileScored 2026-11-07

Fix Fixed PostX – Gutenberg Blocks for Post Grid (Unknown): 2.4.10

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
Unknown	PostX – Gutenberg Blocks for Post Grid	2.4.10 to before 2.4.10	2.4.10	Patch available	CNA

PostX – Gutenberg Blocks for Post Grid VendorUnknown Affected 2.4.10 to before 2.4.10 Fixed in 2.4.10 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:wpxpo:postx_-_gutenberg_blocks_for_post_grid::::::wordpress::*	before 2.4.10	Vulnerable	wpxpo

cpe:2.3:a:wpxpo:postx_-_gutenberg_blocks_for_post_grid:*:*:*:*:*:wordpress:*:* Versions before 2.4.10 Vulnerable ·wpxpo

Remediation

Fix · CNA PostX – Gutenberg Blocks for Post Grid (Unknown) Fixed in 2.4.10

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Release · 2021-09-27
PostX – Gutenberg Blocks for Post Grid 2.4.10
4 records Highest priority Priority LOW 4 LOW
Other records, highest priority first
- TI-2021-06934 PostX Gutenberg Blocks for Post Grid < 2.4.10 - Missing Access ControlsPriority LOW 30
- TI-2021-06941 PostX Gutenberg Blocks for Post Grid < 2.4.10 - Contributor+ Stored Cross-Site ScriptingPriority LOW 25
- TI-2021-06943 PostX Gutenberg Blocks Saved Templates Addon < 2.4.10 - Private Content DisclosurePriority LOW 21
Show all 4 records →

Timeline

2026-10-02 Threatist record created from CVE-2021-24660
2026-10-03 Alias added: GHSA-4gw5-jrj4-5wc6

References

Advisory 1

https://wpscan.com/vulnerability/af14ac23-843d-4f80-beaf-237618109edd

TI-2021-06934 PostX Gutenberg Blocks for Post Grid < 2.4.10 - Missing Access Controls CVSS 3.1MEDIUM 6.5
TI-2021-06941 PostX Gutenberg Blocks for Post Grid < 2.4.10 - Contributor+ Stored Cross-Site Scripting CVSS 3.1MEDIUM 5.4
TI-2021-06943 PostX Gutenberg Blocks Saved Templates Addon < 2.4.10 - Private Content Disclosure CVSS 3.1MEDIUM 4.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences