Security readout for executives and security teams
Plain-English summary
This is a stored cross-site scripting issue in a WordPress plugin. An administrator could save script content through the “Extra CSS class” field, causing it to run for visitors of affected pages. The reported impact is limited by requiring administrator privileges and by only applying to multisite or disabled-unfiltered_html configurations.
Executive priority
Treat as a moderate-priority hygiene issue. It is not reported as actively exploited and needs administrator privileges, but stored XSS can affect users viewing trusted pages. Prioritize internet-facing WordPress multisite environments and sites with many delegated administrators.
Technical view
Sidebar Widgets by CodeLights versions up to and including 1.4 insufficiently sanitize and escape the “Extra CSS class” parameter. The result is authenticated administrator-level stored XSS, categorized as CWE-79, with CVSS 3.1 score 5.5. Scope can change, with low confidentiality and integrity impact and no availability impact reported.
Likely exposure
Exposure is likely limited to WordPress sites using Sidebar Widgets by CodeLights <= 1.4, specifically multisite installations or installations where unfiltered_html is disabled. Sites without this plugin, without those WordPress conditions, or without administrator compromise are not indicated as exposed by the provided sources.
Exploitation context
The sources do not show CISA KEV listing or active exploitation evidence. Exploitation requires authenticated administrator-level access, which reduces likelihood but does not remove risk, especially in environments with delegated site administrators, compromised admin accounts, or shared multisite administration.
Researcher notes
The affected condition is narrow: administrator-level authenticated stored XSS through widget CSS-class handling, limited to multisite or disabled-unfiltered_html cases. The provided bundle does not name a fixed version or vendor mitigation, so remediation should be confirmed against current vendor or WordPress plugin guidance.
Mitigation direction
- Inventory WordPress sites for Sidebar Widgets by CodeLights and record installed versions.
- If version is <= 1.4, check vendor or WordPress plugin guidance for remediation.
- Disable or remove the plugin where it is not business-required.
- Restrict administrator access and review accounts with multisite administration rights.
- Review WordPress settings where unfiltered_html is disabled.
Validation and detection
- Confirm whether each WordPress instance is multisite.
- Check whether unfiltered_html is disabled on affected installations.
- Verify whether Sidebar Widgets by CodeLights is installed and version <= 1.4.
- Review widget settings for unexpected content in the Extra CSS class field.
- Review recent administrator changes around affected widgets and pages.
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-2022-4619 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
- 5.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/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:L/PR:H/UI:N/S:C/C:L/I:L/A:N2.32.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.5MediumVector: CVSS:3.1/AV:N/AC:L/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/3feb84c9-fc98-4f59-a124-b6434e5b8a44?source=cveCVE reference
- https://wordpress.org/plugins/codelights-shortcodes-and-widgets/CVE reference
- https://www.wordfence.com/threat-intel/vulnerabilities/id/3feb84c9-fc98-4f59-a124-b6434e5b8a44CVE reference · x_transferred
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.