CVE-2022-21663

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

3.69% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 88.7% of scored records. A rank, not a probability.

NVD base score

7.2 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2022-01-06 23:00Z4 YR AGO

Last updated

2025-04-22 18:33Z1 YR AGO

Reserved

2021-11-16

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 6.6)

CNA CVSS vector

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Weaknesses

• CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')Class
• CWE-502Deserialization of Untrusted DataBase

Data version

5.1

Document digest

e90349e9216fb5c86ecaeffdea725196b49284cca97b2340226bff50db92486f

• wordpress.orghttps://wordpress.org/news/2022/01/wordpress-5-8-3-security-release/x_refsource_MISC
• github.comhttps://github.com/WordPress/wordpress-develop/security/advisories/GHSA-jmmq-m8p8-332hx_refsource_CONFIRM
• www.debian.orgDSA-5039https://www.debian.org/security/2022/dsa-5039vendor-advisoryx_refsource_DEBIAN
• lists.fedoraproject.orgFEDORA-2022-8472dd59ffhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DM6XPH3JN6V4NF4WBOJTOXZIVE6VKKE3/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2022-e37e1e6c7ahttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CV4UNEC63UU5GEU47IIR4RMTZAHNEOJG/vendor-advisoryx_refsource_FEDORA
• lists.debian.org[debian-lts-announce] 20220123 [SECURITY] [DLA 2884-1] wordpress security updatehttps://lists.debian.org/debian-lts-announce/2022/01/msg00019.htmlmailing-listx_refsource_MLIST
• blog.sonarsource.comhttps://blog.sonarsource.com/wordpress-object-injection-vulnerability/x_refsource_MISC