In affected versions of WordPress, files with a specially crafted name when uploaded to the Media section can lead to script execution upon accessing the file. This requires an authenticated user with privileges to upload files. This has been patched in version 5.4.1, along with all the previously affected versions via a minor release (5.3.3, 5.2.6, 5.1.5, 5.0.9, 4.9.14, 4.8.13, 4.7.17, 4.6.18, 4.5.21, 4.4.22, 4.3.23, 4.2.27, 4.1.30, 4.0.30, 3.9.31, 3.8.33, 3.7.33).
Published 2020-04-30 23:15:12
Updated 2023-03-01 16:45:34
Source GitHub, Inc.
View at NVD,   CVE.org
Vulnerability category: Cross site scripting (XSS)

Threat overview for CVE-2020-11026

Top countries where our scanners detected CVE-2020-11026
Top open port discovered on systems with this issue 80
IPs affected by CVE-2020-11026 54
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2020-11026!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2020-11026

0.32%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 66 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-11026

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
3.5
LOW AV:N/AC:M/Au:S/C:N/I:P/A:N
6.8
2.9
NIST
5.4
MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
2.3
2.7
NIST
8.7
HIGH CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
2.3
5.8
GitHub, Inc.

CWE ids for CVE-2020-11026

  • The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
    Assigned by: nvd@nist.gov (Primary)
  • The product does not ensure or incorrectly ensures that structured messages or data are well-formed and that certain security properties are met before being read from an upstream component or sent to a downstream component.
    Assigned by: security-advisories@github.com (Secondary)

References for CVE-2020-11026

Products affected by CVE-2020-11026

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