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WordPress Core <= 7.0.2 - Unauthenticated Reflected Cross-Site Scripting via log Parameter

CVE-2026-64638 · wordpress

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Wordpress at a vulnerable version. How SiteRespond intelligence works

Vulnerability
WordPress Core <= 7.0.2 - Unauthenticated Reflected Cross-Site Scripting via log Parameter
Affected software
wordpress(WordPress core)
Affected versions
  • ≥ 6.2.0 and ≤ 6.2.9
  • ≥ 6.3.0 and ≤ 6.3.8
  • ≥ 6.4.0 and ≤ 6.4.8
  • ≥ 6.5.0 and ≤ 6.5.8
  • ≥ 6.6.0 and ≤ 6.6.5
  • ≥ 6.7.0 and ≤ 6.7.5
  • ≥ 6.8.0 and ≤ 6.8.6
  • ≥ 6.9.0 and ≤ 6.9.5
  • ≥ 7.0.0 and ≤ 7.0.2
  • ≥ 4.7.0 and ≤ 4.7.33
  • ≥ 4.8.0 and ≤ 4.8.28
  • ≥ 4.9.0 and ≤ 4.9.29
  • ≥ 5.0.0 and ≤ 5.0.25
  • ≥ 5.1.0 and ≤ 5.1.22
  • ≥ 5.2.0 and ≤ 5.2.24
  • ≥ 5.3.0 and ≤ 5.3.21
  • ≥ 5.4.0 and ≤ 5.4.19
  • ≥ 5.5.0 and ≤ 5.5.18
  • ≥ 5.6.0 and ≤ 5.6.17
  • ≥ 5.7.0 and ≤ 5.7.15
  • ≥ 5.8.0 and ≤ 5.8.13
  • ≥ 5.9.0 and ≤ 5.9.13
  • ≥ 6.0.0 and ≤ 6.0.12
  • ≥ 6.1.0 and ≤ 6.1.10
Authentication
Unauthenticated
Vulnerability type
Cross-site scripting
CVE
CVE-2026-64638
Published
8 August 2026
CISA KEV
Not listed in CISA KEV at last catalog refresh
Impact
May allow attackers to run scripts in visitors' browsers or hijack admin sessions.
Source

Data imported from Wordfence Intelligence (advisory 278da117-fe04-45d6-86d4-e71fe6536032). Methodology and redistribution notes

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