Home/CVE/WordPress Core is vulnerable to Stored Cross-Site Scripting via user display names in the Avatar block in various versio
CVE

CVE-2024-4439

WordPress Core is vulnerable to Stored Cross-Site Scripting via user display names in the Avatar block in various versio

WordPress Core is vulnerable to Stored Cross-Site Scripting via user display names in the Avatar block in various versions up to 6.5.2 due to insufficient output escaping on the display name. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. In addition, it also makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that have the comment block present and display the comment author's avatar.

HIGH · CVSS 7.2 EPSS 0.90981
Act now
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 0% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0

Affected Products & Versions

6
wordpress>= 6.0 and <= 6.0.7
wordpress>= 6.1 and <= 6.1.5
wordpress>= 6.2 and <= 6.2.4
wordpress>= 6.3 and <= 6.3.3
wordpress>= 6.4.0 and <= 6.4.3
wordpress>= 6.5 and <= 6.5.1

Scoring & Timeline

7.2
HIGH · CVSS v3.1 · security@wordfence.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD03 May 2024 · 06:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
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