CVE-2022-21663 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

Severity

72%

Complexity

12%

Confidentiality

98%

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.

CVSS 3.1 Base Score 7.2. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).

CVSS 2.0 Base Score 6.5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:S/C:P/I:P/A:P).

Overview

First reported 3 years ago

2022-01-06 23:15:00

Last updated 2 years ago

2022-07-28 16:15:00

Affected Software

WordPress

Debian Linux 9.0

9.0

References

https://wordpress.org/news/2022/01/wordpress-5-8-3-security-release/

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

DSA-5039

https://wordpress.org/news/2022/01/wordpress-5-8-3-security-release/

Release Notes, Vendor Advisory

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

Third Party Advisory

DSA-5039

Third Party Advisory

FEDORA-2022-8472dd59ff

FEDORA-2022-e37e1e6c7a

[debian-lts-announce] 20220123 [SECURITY] [DLA 2884-1] wordpress security update

FEDORA-2022-8472dd59ff

Mailing List, Third Party Advisory

FEDORA-2022-e37e1e6c7a

Mailing List, Third Party Advisory

[debian-lts-announce] 20220123 [SECURITY] [DLA 2884-1] wordpress security update

Mailing List, Third Party Advisory

https://blog.sonarsource.com/wordpress-object-injection-vulnerability/

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