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TI-2021-06503 Aliases CVE-2021-24211GHSA-c83m-879x-3hmh

WordPress Related Posts <= 3.6.4 - Authenticated Stored Cross-Site Scripting (XSS)

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
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

The WordPress Related Posts plugin through 3.6.4 contains an authenticated (admin+) stored XSS vulnerability in the title field on the settings page. By exploiting that an attacker will be able to execute JavaScript code in the user's browser.

Why it matters now

EPSS 0.00628 50th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownWordPress Related Posts3.6.4 – 3.6.4—No fix listedCNA
  • WordPress Related Posts VendorUnknown Affected 3.6.4 – 3.6.4 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:sovrn:wordpress_related_posts:*:*:*:*:*:wordpress:*:*up to 3.6.4VulnerableSovrn
  • cpe:2.3:a:sovrn:wordpress_related_posts:*:*:*:*:*:wordpress:*:* Versions up to 3.6.4 Vulnerable ·Sovrn

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-24211
  2. 2026-10-03 Alias added: GHSA-c83m-879x-3hmh
  3. 2026-10-30 EPSS moved to the 50th–90th percentile

References

Exploit 1

Sources

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