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TI-2021-06472 Aliases CVE-2021-24180GHSA-6wjh-h2vc-4wfg

Related Posts for WordPress < 2.0.4 - Authenticated Reflected 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
Fixed

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

Summary

Unvalidated input and lack of output encoding within the Related Posts for WordPress plugin before 2.0.4 lead to a Reflected Cross-Site Scripting (XSS) vulnerability within the 'lang' GET parameter while editing a post, triggered when users with the capability of editing posts access a malicious URL.

Why it matters now

EPSS 0.00632 50th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Related Posts for WordPress (Unknown): 2.0.4

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownRelated Posts for WordPress2.0.4 to before 2.0.42.0.4Patch availableCNA
  • Related Posts for WordPress VendorUnknown Affected 2.0.4 to before 2.0.4 Fixed in 2.0.4 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:never5:related_posts:*:*:*:*:*:wordpress:*:*before 2.0.4VulnerableNever5
  • cpe:2.3:a:never5:related_posts:*:*:*:*:*:wordpress:*:* Versions before 2.0.4 Vulnerable ·Never5

Remediation

  • Fix · CNA Related Posts for WordPress (Unknown) Fixed in 2.0.4

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-24180
  2. 2026-10-03 Alias added: GHSA-6wjh-h2vc-4wfg
  3. 2026-10-27 EPSS moved to the 50th–90th percentile

References

Exploit 1

  • TI-2022-03236 Cross-site Scripting (XSS) - Stored in barrykooij/related-posts-for-wp CVSS 3.1MEDIUM 5.4
  • TI-2015-07738 The Related Posts plugin before 1.8.2 for WordPress has XSS via add_query_arg() and remove_query_arg(). CVSS 3.0MEDIUM 6.1
  • TI-2024-00548 Related Posts for WordPress <= 2.2.1 - Cross-Site Request Forgery CVSS 3.1MEDIUM 5.4
  • TI-2021-06769 Related Posts for WordPress <= 2.0.4 - Authenticated Stored XSS & XFS CVSS 3.1MEDIUM 4.8

Sources

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