# vBulletin vulnerabilities

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

Junglewise Threat Intelligence has tracked 5 vulnerabilities in vBulletin: 0 in the last 7 days and 0 in the last 90 days, 3 of them critical and 2 exploited in the wild. The most recent, CVE-2026-61511, was published on 27 July 2026.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 5 (3 critical, 2 exploited in the wild)

## About vBulletin

Community-driven forum and content management system software.

## Latest vBulletin vulnerabilities

- [CVE-2026-61511: vBulletin eval injection in vB5_Template_Runtime::runMaths](https://junglewise.ai/threats/cve-2026-61511-vbulletin-eval-injection-in-vb5-template-runtime-runmaths) (critical, CVSS 9.8, published 27 Jul 2026)
- [CVE-2026-9357: vBulletin 6.x cross-site scripting in Login component](https://junglewise.ai/threats/cve-2026-9357-vbulletin-6-x-cross-site-scripting-in-login-component) (low, CVSS 3.5, published 24 May 2026)
- [CVE-2025-46171: vBulletin denial of service via buddy list resource exhaustion](https://junglewise.ai/threats/cve-2025-46171-vbulletin-denial-of-service-via-buddy-list-resource-exhaustion) (medium, CVSS 5.4, published 23 Jul 2025)
- [CVE-2019-16759: vBulletin PHP Module Remote Code Execution Vulnerability](https://junglewise.ai/threats/cve-2019-16759-vbulletin-php-module-remote-code-execution-vulnerability) (critical, exploited in the wild, CVSS 9.8, published 3 Nov 2021)
- [CVE-2020-17496: vBulletin PHP Module Remote Code Execution Vulnerability](https://junglewise.ai/threats/cve-2020-17496-vbulletin-php-module-remote-code-execution-vulnerability) (critical, exploited in the wild, CVSS 9.8, published 3 Nov 2021)

## Most severe vBulletin vulnerabilities

- [CVE-2019-16759: vBulletin PHP Module Remote Code Execution Vulnerability](https://junglewise.ai/threats/cve-2019-16759-vbulletin-php-module-remote-code-execution-vulnerability) (critical, exploited in the wild, CVSS 9.8, published 3 Nov 2021)
- [CVE-2020-17496: vBulletin PHP Module Remote Code Execution Vulnerability](https://junglewise.ai/threats/cve-2020-17496-vbulletin-php-module-remote-code-execution-vulnerability) (critical, exploited in the wild, CVSS 9.8, published 3 Nov 2021)
- [CVE-2026-61511: vBulletin eval injection in vB5_Template_Runtime::runMaths](https://junglewise.ai/threats/cve-2026-61511-vbulletin-eval-injection-in-vb5-template-runtime-runmaths) (critical, CVSS 9.8, published 27 Jul 2026)
- [CVE-2025-46171: vBulletin denial of service via buddy list resource exhaustion](https://junglewise.ai/threats/cve-2025-46171-vbulletin-denial-of-service-via-buddy-list-resource-exhaustion) (medium, CVSS 5.4, published 23 Jul 2025)
- [CVE-2026-9357: vBulletin 6.x cross-site scripting in Login component](https://junglewise.ai/threats/cve-2026-9357-vbulletin-6-x-cross-site-scripting-in-login-component) (low, CVSS 3.5, published 24 May 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 |

## 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, "vBulletin vulnerabilities", https://junglewise.ai/threats/technologies/vbulletin, 9 November 2026.