# SiteGround vulnerabilities

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

Junglewise Threat Intelligence has tracked 6 vulnerabilities in SiteGround: 0 in the last 7 days and 3 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-111738, was published on 23 October 2026. 2 vulnerabilities in the last four weeks, up from none in the four before. 1 technology has a page of its own.

## Counts

- Last 7 days: 0
- Last 30 days: 2
- Last 90 days: 3
- All time: 6 (0 critical, 0 exploited in the wild)

## About SiteGround

A web hosting provider that offers managed services, domain registration, and cloud hosting solutions.

## Latest SiteGround vulnerabilities

- [CVE-2026-111738: Speed Optimizer plugin privilege escalation in network option handling](https://junglewise.ai/threats/cve-2026-111738-the-speed-optimizer-wordpress-plugin-before-7-8-5-does-not) (info, published 23 Oct 2026)
- [CVE-2026-111737: Speed Optimizer WordPress plugin stored XSS in settings](https://junglewise.ai/threats/cve-2026-111737-the-speed-optimizer-wordpress-plugin-before-7-8-5-does-not) (info, published 23 Oct 2026)
- [CVE-2026-17153: SiteGround AI Agent authorization bypass in media upload](https://junglewise.ai/threats/cve-2026-17153-siteground-ai-agent-authorization-bypass-in-media-upload) (medium, CVSS 5.3, published 20 Aug 2026)
- [CVE-2026-57416: SiteGround SiteGround Email Marketing stored XSS](https://junglewise.ai/threats/cve-2026-57416-siteground-siteground-email-marketing-stored-xss) (high, CVSS 7.1, published 13 Jul 2026)
- [CVE-2026-24547: SiteGround Email Marketing broken access control](https://junglewise.ai/threats/cve-2026-24547-siteground-email-marketing-broken-access-control) (medium, CVSS 5.3, published 26 Jun 2026)
- [CVE-2026-3220: Multiple WordPress Plugins Stored XSS in HTML Minification](https://junglewise.ai/threats/cve-2026-3220-multiple-wordpress-plugins-stored-xss-in-html-minification) (info, CVSS 8.8, published 18 May 2026)

## Most severe SiteGround vulnerabilities

- [CVE-2026-57416: SiteGround SiteGround Email Marketing stored XSS](https://junglewise.ai/threats/cve-2026-57416-siteground-siteground-email-marketing-stored-xss) (high, CVSS 7.1, published 13 Jul 2026)
- [CVE-2026-17153: SiteGround AI Agent authorization bypass in media upload](https://junglewise.ai/threats/cve-2026-17153-siteground-ai-agent-authorization-bypass-in-media-upload) (medium, CVSS 5.3, published 20 Aug 2026)
- [CVE-2026-24547: SiteGround Email Marketing broken access control](https://junglewise.ai/threats/cve-2026-24547-siteground-email-marketing-broken-access-control) (medium, CVSS 5.3, published 26 Jun 2026)
- [CVE-2026-3220: Multiple WordPress Plugins Stored XSS in HTML Minification](https://junglewise.ai/threats/cve-2026-3220-multiple-wordpress-plugins-stored-xss-in-html-minification) (info, CVSS 8.8, published 18 May 2026)
- [CVE-2026-111738: Speed Optimizer plugin privilege escalation in network option handling](https://junglewise.ai/threats/cve-2026-111738-the-speed-optimizer-wordpress-plugin-before-7-8-5-does-not) (info, published 23 Oct 2026)
- [CVE-2026-111737: Speed Optimizer WordPress plugin stored XSS in settings](https://junglewise.ai/threats/cve-2026-111737-the-speed-optimizer-wordpress-plugin-before-7-8-5-does-not) (info, published 23 Oct 2026)

## Vulnerabilities per week

2 vulnerabilities in the last four weeks, up from none in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 1 | 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 | 2 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## SiteGround technologies

- [SiteGround Speed Optimizer](https://junglewise.ai/threats/technologies/speed-optimizer): 3 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, "SiteGround vulnerabilities", https://junglewise.ai/threats/vendors/siteground, 9 November 2026.