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TI-2021-06941 Aliases CVE-2021-24659GHSA-3p5r-wcf3-c745

PostX Gutenberg Blocks for Post Grid < 2.4.10 - Contributor+ Stored Cross-Site Scripting

Priority LOW 25CWE-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 · 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 allows users with a role as low as Contributor to perform Stored Cross-Site Scripting attacks via the plugin's block.

Why it matters now

EPSS 0.00547 46th 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

VendorProductAffected versionsFixed inStatusSource
UnknownPostX – Gutenberg Blocks for Post Grid2.4.10 to before 2.4.102.4.10Patch availableCNA
  • 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

CPEVersionsRoleVendor
cpe:2.3:a:wpxpo:postx_-_gutenberg_blocks_for_post_grid:*:*:*:*:*:wordpress:*:*before 2.4.10Vulnerablewpxpo
  • 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 ·

    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-2021-06942 PostX Gutenberg Blocks Saved Templates Addon < 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

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-24659
  2. 2026-10-03 Alias added: GHSA-3p5r-wcf3-c745

References

  • TI-2021-06934 PostX Gutenberg Blocks for Post Grid < 2.4.10 - Missing Access Controls CVSS 3.1MEDIUM 6.5
  • TI-2021-06942 PostX Gutenberg Blocks Saved Templates Addon < 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