Security readout for executives and security teams
Plain-English summary
This WordPress plugin flaw could let an unauthenticated attacker change OAuth SSO settings. By redirecting authentication to attacker-controlled OAuth endpoints, they may be able to sign in as an administrator if they know a valid admin email address.
Executive priority
Prioritize remediation for internet-facing WordPress sites using this plugin, particularly where SSO protects privileged accounts. Treat confirmed exposure as urgent but not automatically exploited based on provided evidence.
Technical view
OAuth client Single Sign On for WordPress before 3.0.4 lacks authorization and CSRF protection on settings updates. The reported impact is unauthenticated settings modification leading to authentication bypass through attacker-controlled OAuth endpoints. CVSS 3.1 is 7.5 with network, low-complexity, no-privilege, no-user-interaction conditions.
Likely exposure
Exposure is most likely on public WordPress sites using the OAuth client Single Sign On plugin below 3.0.4, especially where SSO controls administrator access.
Exploitation context
The source bundle does not show CISA KEV listing or confirmed active exploitation. The vulnerability is still serious because it is remotely reachable and requires no prior authentication.
Researcher notes
Mapped weaknesses are CWE-287 and CWE-352. The key issue is missing authorization and CSRF control on settings updates, enabling integrity compromise of authentication configuration. The attacker reportedly needs the target administrator email address for the bypass path.
Mitigation direction
- Update the plugin to 3.0.4 or later, if available from trusted vendor channels.
- Disable or remove the plugin until upgraded if SSO is not business-critical.
- Review OAuth endpoint settings and restore only trusted identity-provider values.
- Rotate OAuth secrets if configuration tampering is suspected.
- Check vendor and WPScan guidance for any additional remediation details.
Validation and detection
- Inventory WordPress sites for the affected plugin and installed version.
- Confirm no plugin version below 3.0.4 remains active.
- Review SSO settings for unexpected authorization, token, or userinfo endpoints.
- Check WordPress and web logs for suspicious settings changes.
- Test that only authorized administrators can change plugin settings.
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-287: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. 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 lookupCWE-352: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. 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 lookupCredential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2022-3119 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
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
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:N/UI:N/S:U/C:N/I:H/A:N3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://wpscan.com/vulnerability/55b83cee-a8a5-4f9d-a976-a3eed9a558e5CVE reference · x_refsource_MISC
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 Authentication
Improper Authentication represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
Cross-Site Request Forgery (CSRF)
Cross-Site Request Forgery (CSRF) represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.