Security readout for executives and security teams
Plain-English summary
This affects WordPress/WooCommerce sites running Japanized for WooCommerce through version 2.5.4. A crafted link could cause script to run in a victim’s browser after user interaction. Business risk is phishing, session misuse, or unauthorized actions in the affected site context, but the source bundle does not show active exploitation.
Executive priority
Treat as a normal-priority web application remediation. It is not sourced as actively exploited, but exposed WooCommerce administration surfaces should be upgraded promptly because user-assisted XSS can support account abuse and trust-based attacks.
Technical view
CVE-2023-0942 is reflected XSS in the plugin’s handling of the `tab` parameter, caused by insufficient input sanitization and output escaping. It is unauthenticated but requires user interaction. The CVSS 3.1 score is 6.1 with changed scope and low confidentiality and integrity impact.
Likely exposure
Exposure is likely limited to WordPress sites with WooCommerce that installed Japanized for WooCommerce version 2.5.4 or earlier. Sites without this plugin, or with versions newer than the vulnerable range, are not indicated as affected by the provided sources.
Exploitation context
The source bundle says attackers must trick a user into taking an action such as clicking a link. KEV is false, and no provided source states active exploitation. The issue is still relevant because reflected XSS can affect trusted administrative or storefront workflows.
Researcher notes
Primary evidence identifies CWE-79 reflected XSS via `tab`, with vulnerable versions through 2.5.4. WordPress Trac references include the affected admin settings view and a related changeset. The source bundle does not provide exploit telemetry, weaponized details, or a named fixed version.
Mitigation direction
- Inventory all WordPress sites for Japanized for WooCommerce.
- Upgrade the plugin to the latest vendor-supported version beyond 2.5.4.
- Check vendor and WordPress plugin guidance for the fixed release details.
- Use WAF rules as temporary defense where immediate upgrade is delayed.
- Warn administrators not to follow unexpected admin or plugin-setting links.
Validation and detection
- Confirm installed plugin versions are not 2.5.4 or earlier.
- Review WordPress plugin inventories across production and staging.
- Check web logs for suspicious requests involving the `tab` parameter.
- Verify the relevant plugin page safely escapes reflected parameter values.
- Document affected sites, owners, remediation status, and residual risk.
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-2023-0942 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
- 6.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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:N/UI:R/S:C/C:L/I:L/A:N2.82.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.1MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/threat-intel/vulnerabilities/id/bb606a30-2f7c-41e9-9ebc-9f1b0b84fff8?source=cveCVE reference
- https://plugins.trac.wordpress.org/browser/woocommerce-for-japan/trunk/includes/admin/views/html-admin-setting-screen.php#L63CVE reference
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=2868545%40woocommerce-for-japan%2Ftrunk&old=2863064%40woocommerce-for-japan%2Ftrunk&sfp_email=&sfph_mail=CVE reference
- https://www.wordfence.com/blog/2023/03/multiple-reflected-cross-site-scripting-vulnerabilities-in-three-wordpress-plugins-patched/CVE reference
- https://www.wordfence.com/threat-intel/vulnerabilities/id/bb606a30-2f7c-41e9-9ebc-9f1b0b84fff8CVE 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.