Security readout for executives and security teams
Plain-English summary
CVE-2026-27376 is a reflected cross-site scripting issue in the WordPress Claue WooCommerce theme up to version 2.2.7. An attacker would need a user to interact with a crafted link or request. Successful exploitation could run script in the user’s browser, risking session exposure, content changes, or malicious redirects.
Executive priority
Prioritize sites using Claue on public WordPress or WooCommerce properties. The risk is meaningful but not currently supported as actively exploited by the provided sources. Patch or mitigate once vendor guidance is available, especially for customer-facing commerce sites.
Technical view
The CVE describes CWE-79 improper neutralization during web page generation in JanStudio Claue - Clean, Minimal Elementor WooCommerce Theme. CVSS 3.1 is 7.1: network reachable, low complexity, no privileges required, user interaction required, scope changed, and low confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to WordPress sites running the Claue theme at version 2.2.7 or earlier. Public WooCommerce storefronts using this theme are the main concern. The provided sources do not identify a specific vulnerable parameter or confirmed fixed version.
Exploitation context
The issue is reflected XSS, so exploitation generally depends on convincing a victim to open or trigger a maliciously crafted request. The source bundle does not show CISA KEV listing or cite active exploitation in the wild.
Researcher notes
Evidence is limited to the CVE record and Patchstack database entry. The public bundle confirms affected versions through 2.2.7 and CVSS 7.1, but does not provide exploit details, vulnerable parameters, or a named fixed release. Avoid assuming exploit availability or a patch beyond vendor-confirmed guidance.
Mitigation direction
- Inventory WordPress sites for the Claue theme and record installed versions.
- Treat Claue versions 2.2.7 and earlier as affected.
- Check JanStudio, Patchstack, or marketplace guidance for an official update or mitigation.
- Apply the vendor-provided fixed version when available.
- Use web application protections to reduce XSS risk while awaiting vendor guidance.
Validation and detection
- Confirm whether each WordPress site has the Claue theme installed.
- Verify the theme version from trusted administrative or asset inventory data.
- Review vendor or Patchstack records for any newly published fixed version.
- Use authorized scanning to check for reflected XSS indicators without testing production users.
- Monitor web logs for unusual requests targeting theme-related pages or parameters.
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-2026-27376 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
- 7.1 (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:L
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:L2.83.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.1HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
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.