Security readout for executives and security teams
Plain-English summary
CVE-2021-4361 lets a logged-in attacker change WordPress site settings through the JobSearch WP Job Board plugin when vulnerable versions are installed. Because WordPress options can affect security, availability, and site behavior, this is a high business-risk issue for sites using the plugin.
Executive priority
Prioritize remediation for any internet-facing WordPress site using this plugin. The attacker needs an account, but the potential impact includes broad site compromise or disruption through option changes.
Technical view
The plugin lacks a capability check on the jobsearch_job_integrations_settin_save AJAX action in versions up to and including 1.8.1. Authenticated attackers can update arbitrary site options. The CVSS 3.1 score is 8.8, reflecting low complexity and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to WordPress sites running JobSearch WP Job Board versions up to and including 1.8.1, especially where untrusted users can authenticate.
Exploitation context
The bundle does not show CISA KEV listing or active exploitation evidence. It supports authenticated exploitation with no user interaction, but does not provide evidence of current in-the-wild abuse.
Researcher notes
The core issue is missing authorization, not authentication bypass. Validate whether the AJAX action enforces capability checks in the installed version. The exact business impact depends on which options can be changed and site configuration.
Mitigation direction
- Identify any WordPress sites using JobSearch WP Job Board.
- Upgrade vulnerable plugin installations to a vendor-confirmed fixed release.
- If upgrade is not available, disable the plugin pending vendor guidance.
- Restrict account creation and remove unnecessary authenticated users.
- Review recent WordPress option changes for suspicious modifications.
Validation and detection
- Check installed plugin name and version on each WordPress site.
- Confirm no installation is running version 1.8.1 or earlier.
- Verify vendor advisory or plugin changelog confirms the fixed release.
- Review WordPress users for unexpected low-privilege accounts.
- Audit critical WordPress options for unauthorized changes.
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-284: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. 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 lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-4361 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
- 8.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/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:L/UI:N/S:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:L/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/839a0cc0-a656-4107-a748-4ad85e950237?source=cveCVE reference
- https://blog.nintechnet.com/wordpress-jobsearch-wp-job-board-plugin-fixed-vulnerability/CVE reference
- https://wpscan.com/vulnerability/a69aa52f-9876-4180-97a4-713459b43f24CVE 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 Access Control
Improper Access Control represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.