Arbitrary File Deletion in WordPress
CVE-2020-28039

9.1CRITICAL

Key Information:

Vendor

Wordpress
Status
WordPress
Vendor
CVE Published:
2 November 2020

What is CVE-2020-28039?

The vulnerability in WordPress relates to the is_protected_meta function located in wp-includes/meta.php, which fails to adequately assess whether a meta key is classified as protected. This oversight can potentially allow unauthorized users to delete arbitrary files, leading to significant security breaches within WordPress environments. Users are advised to update to version 5.5.2 or higher to mitigate this issue.

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References

https://wordpress.org/news/2020/10/wordpress-5-5-2-securi...
x_refsource_MISC
https://wpscan.com/vulnerability/10452
x_refsource_MISC
https://github.com/WordPress/wordpress-develop/commit/d5d...
x_refsource_MISC

EPSS Score

5% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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