Vulnerability Details : CVE-2022-21663

WordPress is a free and open-source content management system written in PHP and paired with a MariaDB database. On a multisite, users with Super Admin role can bypass explicit/additional hardening under certain conditions through object injection. This has been patched in WordPress version 5.8.3. Older affected versions are also fixed via security release, that go back till 3.7.37. We strongly recommend that you keep auto-updates enabled. There are no known workarounds for this issue.

Published 2022-01-06 23:15:08

Updated 2023-06-27 19:03:59

Source GitHub, Inc.

View at NVD, CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2022-21663

Probability of exploitation activity in the next 30 days: 0.64%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 77 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2022-21663

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Source
6.5	MEDIUM	AV:N/AC:L/Au:S/C:P/I:P/A:P	8.0	6.4	[email protected]
Access Vector: Network Access Complexity: Low Authentication: Single Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
7.2	HIGH	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H	1.2	5.9	[email protected]
Attack Vector: Network Attack Complexity: Low Privileges Required: High User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High
6.6	MEDIUM	CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H	0.7	5.9	[email protected]
Attack Vector: Network Attack Complexity: High Privileges Required: High User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2022-21663

CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.
Assigned by:
- [email protected] (Secondary)
- [email protected] (Secondary)
CWE-502 Deserialization of Untrusted Data

The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid.

Assigned by: [email protected] (Primary)

References for CVE-2022-21663

https://lists.debian.org/debian-lts-announce/2022/01/msg00019.html

Mailing List;Third Party Advisory

CVEs referencing this url
https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-jmmq-m8p8-332h

Third Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/DM6XPH3JN6V4NF4WBOJTOXZIVE6VKKE3/

Mailing List;Third Party Advisory

CVEs referencing this url
https://blog.sonarsource.com/wordpress-object-injection-vulnerability/

Exploit;Third Party Advisory
https://www.debian.org/security/2022/dsa-5039

Third Party Advisory

CVEs referencing this url
https://wordpress.org/news/2022/01/wordpress-5-8-3-security-release/

Release Notes;Vendor Advisory

CVEs referencing this url
https://lists.fedoraproject.org/archives/list/[email protected]/message/CV4UNEC63UU5GEU47IIR4RMTZAHNEOJG/

Mailing List;Third Party Advisory

CVEs referencing this url

Products affected by CVE-2022-21663

Debian » Debian Linux » Version: 9.0
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Matching versions
Debian » Debian Linux » Version: 10.0
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Matching versions
Debian » Debian Linux » Version: 11.0
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
Matching versions
Wordpress » Wordpress
Versions before (<) 5.8.3
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
Matching versions
Fedoraproject » Fedora » Version: 34
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
Matching versions
Fedoraproject » Fedora » Version: 35
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
Matching versions