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Vulnerability CVE-2020-4049
Published: 2020-06-12
| Description: |
In affected versions of WordPress, when uploading themes, the name of the theme folder can be crafted in a way that could lead to JavaScript execution in /wp-admin on the themes page. This does require an admin to upload the theme, and is low severity self-XSS. This has been patched in version 5.4.2, along with all the previously affected versions via a minor release (5.3.4, 5.2.7, 5.1.6, 5.0.10, 4.9.15, 4.8.14, 4.7.18, 4.6.19, 4.5.22, 4.4.23, 4.3.24, 4.2.28, 4.1.31, 4.0.31, 3.9.32, 3.8.34, 3.7.34). |
Type:
CWE-80 (Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS))
CVSS2 => (AV:N/AC:M/Au:S/C:N/I:P/A:N)
| CVSS Base Score |
Impact Subscore |
Exploitability Subscore |
3.5/10 |
2.9/10 |
6.8/10 |
| Exploit range |
Attack complexity |
Authentication |
Remote |
Medium |
Single time |
| Confidentiality impact |
Integrity impact |
Availability impact |
None |
Partial |
None |
References: |
https://github.com/WordPress/wordpress-develop/commit/404f397b4012fd9d382e55bf7d206c1317f01148
https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-87h4-phjv-rm6p
https://wordpress.org/news/2020/06/wordpress-5-4-2-security-and-maintenance-release/
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