Security readout for executives and security teams
Plain-English summary
PixelYourSite for WordPress has a stored cross-site scripting flaw in versions up to 11.2.0. An unauthenticated attacker could inject JavaScript through traffic source or landing page fields, causing the script to run when someone later views the affected page.
Executive priority
Treat as a high-priority WordPress plugin remediation for sites using PixelYourSite. Prioritize public sites and sites with administrator traffic, because stored XSS can undermine user trust and create session or content-manipulation risk.
Technical view
CVE-2026-1841 is CWE-79 stored XSS in PixelYourSite via pysTrafficSource and pys_landing_page, caused by insufficient input sanitization and output escaping. Wordfence rates it CVSS 7.2 high. The CVE notes CVE-2026-27072 is likely a duplicate.
Likely exposure
Internet-facing WordPress sites using PixelYourSite versions up to and including 11.2.0 are potentially exposed. Exposure depends on whether the plugin is installed, active, and processing the affected parameters.
Exploitation context
The provided sources do not show CISA KEV listing or confirmed active exploitation. The issue is unauthenticated, network-accessible, and low complexity, but script execution depends on users accessing an injected page.
Researcher notes
Evidence is strongest from Wordfence, CVE data, and WordPress Trac references. The source bundle identifies affected versions through 11.2.0 but does not provide a fully detailed vendor advisory here. Avoid treating duplicate CVE-2026-27072 as a separate exposure without confirmation.
Mitigation direction
- Inventory WordPress sites for the PixelYourSite plugin and installed version.
- Update to a vendor-supported version newer than 11.2.0 when available.
- Review Wordfence and WordPress plugin guidance for the fixed release.
- If no fix is available, consider disabling the plugin temporarily.
- Clear caches and affected stored data if vendor guidance recommends it.
Validation and detection
- Confirm PixelYourSite is absent, disabled, or above version 11.2.0.
- Review plugin changelog or WordPress Trac changeset for sanitization and escaping fixes.
- Check security tooling for stored XSS alerts tied to affected parameters.
- Review web and application logs for suspicious use of the named 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-2026-1841 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
- 7.2 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/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:N/UI:N/S:C/C:L/I:L/A:N3.92.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.2HighVector: CVSS:3.1/AV:N/AC:L/PR:N/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/4c4f2d9d-d34c-45dd-aff8-ca9bbe808b5a?source=cveCVE reference
- https://plugins.trac.wordpress.org/browser/pixelyoursite/tags/11.1.5.2/includes/enrich/class_enrich_order.php#L255CVE reference
- https://plugins.trac.wordpress.org/changeset/3454364/pixelyoursiteCVE 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.