# Marcus Sykes vulnerabilities

Source: https://junglewise.ai/threats/vendors/marcus-sykes  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/vendors/marcus-sykes.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 1 vulnerability in Marcus Sykes: 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-57713, was published on 13 July 2026. 1 technology has a page of its own.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 1 (0 critical, 0 exploited in the wild)

## About Marcus Sykes

Marcus Sykes is an independent software developer and the author of the Simple History plugin for WordPress.

## Latest Marcus Sykes vulnerabilities

- [CVE-2026-57713: Marcus Events Manager PHP object injection in WordPress plugin](https://junglewise.ai/threats/cve-2026-57713-marcus-events-manager-php-object-injection-in-wordpress-plugin) (high, CVSS 8.8, published 13 Jul 2026)

## Most severe Marcus Sykes vulnerabilities

- [CVE-2026-57713: Marcus Events Manager PHP object injection in WordPress plugin](https://junglewise.ai/threats/cve-2026-57713-marcus-events-manager-php-object-injection-in-wordpress-plugin) (high, CVSS 8.8, published 13 Jul 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Marcus Sykes technologies

- [Marcus Sykes Events Manager](https://junglewise.ai/threats/technologies/events-manager): 6 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Marcus Sykes vulnerabilities", https://junglewise.ai/threats/vendors/marcus-sykes, 9 November 2026.