Security readout for executives and security teams
Plain-English summary
CVE-2022-3383 affects the Ultimate Member WordPress plugin through version 2.5.0. A user who already has administrator-level access could make the plugin execute code on the server. This is serious for WordPress sites because it can lead to full site compromise, but the cited CVE data requires high privileges first.
Executive priority
Treat as high priority for WordPress environments using Ultimate Member, especially public-facing membership sites. The privilege requirement lowers internet-wide urgency, but a compromised administrator account could turn this into server compromise. Prioritize inventory, upgrade confirmation, and administrator account review.
Technical view
The vulnerability is CWE-94 code injection in Ultimate Member’s get_option_value_from_callback function. User-controlled input can reach call_user_func(), enabling authenticated attackers with administrative capabilities to execute server-side code. CVSS 3.1 is 7.2, with network attack vector, low complexity, high privileges required, no user interaction, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is likely limited to WordPress sites running Ultimate Member versions up to and including 2.5.0, where an attacker has or can obtain admin-level privileges. Sites without the plugin, sites on later fixed versions, or sites without compromised administrators are not shown as exposed by the provided sources.
Exploitation context
The provided sources do not show CISA KEV listing or confirmed active exploitation. Public references include vulnerability writeups and a WordPress plugin changeset, so defenders should assume technical details are publicly discussed, while avoiding claims of known exploitation without stronger evidence.
Researcher notes
Key evidence is consistent on authenticated admin-plus RCE through call_user_func() in get_option_value_from_callback for Ultimate Member <=2.5.0. The provided affected CPE data is sparse, so rely on plugin/version evidence rather than CPE matching alone. No KEV or active exploitation evidence is included.
Mitigation direction
- Inventory WordPress sites for Ultimate Member plugin version.
- Upgrade Ultimate Member beyond 2.5.0 following vendor or WordPress plugin guidance.
- Restrict and review administrator accounts on affected WordPress sites.
- Remove unused administrator accounts and enforce strong authentication.
- Check vendor advisories before applying emergency compensating controls.
Validation and detection
- Confirm whether Ultimate Member is installed on each WordPress site.
- Verify installed plugin versions are later than 2.5.0.
- Review recent administrator account creation, login, and plugin configuration changes.
- Inspect server and WordPress logs for unexpected admin-driven code or configuration activity.
- Document any affected sites and remediation evidence for audit tracking.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-94: Code execution behavior lookup
Code execution and unsafe deserialization weaknesses often justify reviewing execution behavior and process telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2022-3383 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.2 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H1.25.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.2HighVector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/threat-intel/vulnerabilities/id/ed28fe16-0835-4e94-a30e-305e7ba03740?source=cveCVE reference
- https://www.yuque.com/docs/share/8796eef9-ac4c-4339-96b4-6c21313ecf3eCVE reference
- https://github.com/H4de5-7/vulnerabilities/blob/main/CVE-2022-3383%20%26%26%20CVE-2022-3384.mdCVE reference
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2805393%40ultimate-member&new=2805393%40ultimate-member&sfp_email=&sfph_mail=CVE reference
- https://www.wordfence.com/vulnerability-advisories-continued/#CVE-2022-3383CVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Control of Generation of Code ('Code Injection')
Improper Control of Generation of Code ('Code Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.