Security readout for executives and security teams
Plain-English summary
CVE-2026-0812 affects the WordPress LinkedIn SC plugin through version 1.1.9. An administrator-level user can save script content in plugin settings, causing it to run later in a user’s browser. This is mainly a risk where an admin account is malicious or compromised.
Executive priority
Handle during normal vulnerability management, but prioritize sites with many administrators or weak admin controls. The vulnerability is not broadly exploitable without admin access, but it can amplify damage from a compromised WordPress administrator account.
Technical view
The issue is stored cross-site scripting in linkedin_sc_date_format, linkedin_sc_api_key, and linkedin_sc_secret_key due to insufficient sanitization and escaping. CVSS 3.1 is 4.4, with high privileges and high attack complexity. The source bundle identifies versions up to and including 1.1.9, though affected-version metadata appears inconsistent.
Likely exposure
WordPress sites running the LinkedIn SC plugin at version 1.1.9 or earlier are potentially exposed, especially if administrator accounts are shared, weakly protected, or compromised. Sites not using this plugin are not affected based on the provided sources.
Exploitation context
No CISA KEV listing or cited source indicates active exploitation. Exploitation requires authenticated administrator-level access, reducing broad internet risk but increasing concern after admin compromise or insider misuse.
Researcher notes
The CVE maps to CWE-79 and describes stored XSS on the settings page. CVSS vector is AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N. Supplied references do not name a patch. The affected-version record is partly inconsistent, so verify against Wordfence and WordPress plugin repository data.
Mitigation direction
- Identify whether LinkedIn SC is installed and confirm its version.
- If unused, disable or remove the plugin.
- Check vendor and Wordfence guidance for a fixed release or official workaround.
- Restrict administrator access to trusted accounts only.
- Enforce MFA and strong password practices for WordPress administrators.
- Review recent plugin settings changes for unauthorized modifications.
Validation and detection
- Inventory WordPress sites for the LinkedIn SC plugin.
- Confirm whether installed versions are 1.1.9 or earlier.
- Review the named settings fields for unexpected script content.
- Check WordPress audit logs for recent administrator settings changes.
- Verify administrator accounts are legitimate and appropriately protected.
- Monitor for new vendor releases or updated vulnerability guidance.
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-79: 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 lookupCVE-2026-0812 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
- Medium
- CVSS
- 4.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/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:H/PR:H/UI:N/S:C/C:L/I:L/A:N1.32.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.4MediumVector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/threat-intel/vulnerabilities/id/1c4fd888-aeaf-4451-a151-8f884bc22f0b?source=cveCVE reference
- https://plugins.trac.wordpress.org/browser/linkedin-sc/tags/1.1.9/linkedin-sc.php#L164CVE reference
- https://plugins.trac.wordpress.org/browser/linkedin-sc/trunk/linkedin-sc.php#L164CVE 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 Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.