Security readout for executives and security teams
Plain-English summary
CVE-2026-1844 is a stored cross-site scripting flaw in the PixelYourSite PRO WordPress plugin through version 12.4.0.2. An unauthenticated attacker could cause malicious script to be saved and later run in visitors’ browsers. For businesses, risk is highest on public WordPress sites using this paid plugin, especially where administrators view affected pages.
Executive priority
Prioritize within the next patch cycle for any public WordPress site using PixelYourSite PRO, and faster for high-traffic or revenue-generating sites. Stored XSS can affect customer trust and administrator sessions. If the plugin is not deployed, no action is needed beyond documenting non-exposure.
Technical view
The issue is CWE-79 stored XSS via insufficient sanitization and output escaping of the pysTrafficSource and pys_landing_page parameters. The CVSS 3.1 score is 7.2, with network access, low complexity, no privileges, no user interaction, and scope changed. Sources identify PixelYourSite PRO up to and including 12.4.0.2 as vulnerable.
Likely exposure
Exposure is limited to WordPress sites running PixelYourSite PRO, not the general PixelYourSite ecosystem unless this specific PRO plugin is installed. Public-facing sites are more exposed because the vulnerability is reachable without authentication. The source bundle does not provide install counts, fixed version, or confirmed affected configurations beyond versions through 12.4.0.2.
Exploitation context
The source bundle does not report active exploitation, and the CVE is not listed as CISA KEV. Exploitation would involve injecting script data that executes when an affected page is viewed. Stored XSS can support session theft, fraudulent actions in a browser, or malicious redirects, depending on site context and user privileges.
Researcher notes
Evidence is sufficient for vulnerability type, affected plugin name, vulnerable version ceiling, parameters, and CVSS. Evidence is incomplete on fixed version, exploit availability, and real-world exploitation. The affected metadata in the bundle is inconsistent, listing version “0” while the description states all versions through 12.4.0.2.
Mitigation direction
- Inventory WordPress sites for PixelYourSite PRO and record installed versions.
- If version is 12.4.0.2 or earlier, treat the site as potentially vulnerable.
- Check PixelYourSite and Wordfence guidance for a fixed release or official mitigation.
- Update to a vendor-confirmed fixed version when available.
- If no fix is available, consider disabling the plugin on exposed sites.
- Review web application firewall rules for coverage of this CVE.
Validation and detection
- Confirm whether PixelYourSite PRO is installed on each WordPress site.
- Verify plugin version against the vulnerable range: up to and including 12.4.0.2.
- Check Wordfence’s advisory for updated remediation and exploit intelligence.
- Review site logs for suspicious requests involving the named parameters.
- Inspect affected pages for unexpected stored script content.
- Confirm remediation by verifying the plugin version or vendor-approved workaround.
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-2026-1844 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
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.