# XenForo Ltd. Xenforo vulnerabilities

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

Junglewise Threat Intelligence has tracked 15 vulnerabilities in XenForo Ltd. Xenforo: 0 in the last 7 days and 14 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-74239, was published on 8 September 2026. Nothing was published in the last eight weeks.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 14
- All time: 15 (0 critical, 0 exploited in the wild)

## About XenForo Ltd. Xenforo

A commercial forum software and content management system built on the Zend Framework.

## Latest XenForo Ltd. Xenforo vulnerabilities

- [CVE-2026-74239: XenForo path traversal in style archive importer on Windows](https://junglewise.ai/threats/cve-2026-74239-xenforo-path-traversal-in-style-archive-importer-on-windows) (high, CVSS 7.2, published 8 Sep 2026)
- [CVE-2026-73321: XenForo stack overflow in BBCode parser](https://junglewise.ai/threats/cve-2026-73321-xenforo-stack-overflow-in-bbcode-parser) (medium, CVSS 6.5, published 8 Sep 2026)
- [CVE-2026-73320: XenForo unauthenticated information disclosure via unfurl endpoint](https://junglewise.ai/threats/cve-2026-73320-xenforo-unauthenticated-information-disclosure-via-unfurl) (medium, CVSS 6.1, published 8 Sep 2026)
- [CVE-2026-73319: XenForo cross-site scripting in dynamic redirect handler](https://junglewise.ai/threats/cve-2026-73319-xenforo-cross-site-scripting-in-dynamic-redirect-handler) (medium, CVSS 6.1, published 8 Sep 2026)
- [CVE-2026-73318: XenForo missing authorization in force-agreement controller](https://junglewise.ai/threats/cve-2026-73318-xenforo-missing-authorization-in-force-agreement-controller) (low, CVSS 3.8, published 8 Sep 2026)
- [CVE-2026-73317: XenForo authorization bypass in ACP cache-rebuild dispatcher](https://junglewise.ai/threats/cve-2026-73317-xenforo-authorization-bypass-in-acp-cache-rebuild-dispatcher) (low, CVSS 2.7, published 8 Sep 2026)
- [CVE-2026-73316: XenForo PayPal REST webhook replay vulnerability](https://junglewise.ai/threats/cve-2026-73316-xenforo-paypal-rest-webhook-replay-vulnerability) (high, CVSS 7.5, published 8 Sep 2026)
- [CVE-2026-73315: XenForo server-side request forgery in PayPal webhook handler](https://junglewise.ai/threats/cve-2026-73315-xenforo-server-side-request-forgery-in-paypal-webhook-handler) (high, CVSS 8.6, published 8 Sep 2026)
- [CVE-2026-73314: XenForo PayPal webhook signature verification bypass](https://junglewise.ai/threats/cve-2026-73314-xenforo-paypal-webhook-signature-verification-bypass) (high, CVSS 7.5, published 8 Sep 2026)
- [CVE-2026-73313: XenForo passkey TFA authentication bypass](https://junglewise.ai/threats/cve-2026-73313-xenforo-passkey-tfa-authentication-bypass) (medium, CVSS 6.8, published 8 Sep 2026)
- [CVE-2026-73312: XenForo refresh token replay vulnerability](https://junglewise.ai/threats/cve-2026-73312-xenforo-refresh-token-replay-vulnerability) (high, CVSS 7.4, published 8 Sep 2026)
- [CVE-2026-73311: XenForo OAuth2 authorization code reuse vulnerability](https://junglewise.ai/threats/cve-2026-73311-xenforo-oauth2-authorization-code-reuse-vulnerability) (high, CVSS 7.4, published 8 Sep 2026)
- [CVE-2026-73310: XenForo OAuth2 redirect URI binding bypass](https://junglewise.ai/threats/cve-2026-73310-xenforo-oauth2-redirect-uri-binding-bypass) (medium, CVSS 5.9, published 8 Sep 2026)
- [CVE-2026-73309: XenForo authentication bypass in OAuth2 token endpoint](https://junglewise.ai/threats/cve-2026-73309-xenforo-authentication-bypass-in-oauth2-token-endpoint) (high, CVSS 7.4, published 8 Sep 2026)
- [CVE-2026-51833: XenForo SSRF in RSS feed management](https://junglewise.ai/threats/cve-2026-51833-xenforo-ssrf-in-rss-feed-management) (info, CVSS 0, published 17 Jul 2026)

## Most severe XenForo Ltd. Xenforo vulnerabilities

- [CVE-2026-73315: XenForo server-side request forgery in PayPal webhook handler](https://junglewise.ai/threats/cve-2026-73315-xenforo-server-side-request-forgery-in-paypal-webhook-handler) (high, CVSS 8.6, published 8 Sep 2026)
- [CVE-2026-73314: XenForo PayPal webhook signature verification bypass](https://junglewise.ai/threats/cve-2026-73314-xenforo-paypal-webhook-signature-verification-bypass) (high, CVSS 7.5, published 8 Sep 2026)
- [CVE-2026-73316: XenForo PayPal REST webhook replay vulnerability](https://junglewise.ai/threats/cve-2026-73316-xenforo-paypal-rest-webhook-replay-vulnerability) (high, CVSS 7.5, published 8 Sep 2026)
- [CVE-2026-73309: XenForo authentication bypass in OAuth2 token endpoint](https://junglewise.ai/threats/cve-2026-73309-xenforo-authentication-bypass-in-oauth2-token-endpoint) (high, CVSS 7.4, published 8 Sep 2026)
- [CVE-2026-73311: XenForo OAuth2 authorization code reuse vulnerability](https://junglewise.ai/threats/cve-2026-73311-xenforo-oauth2-authorization-code-reuse-vulnerability) (high, CVSS 7.4, published 8 Sep 2026)
- [CVE-2026-73312: XenForo refresh token replay vulnerability](https://junglewise.ai/threats/cve-2026-73312-xenforo-refresh-token-replay-vulnerability) (high, CVSS 7.4, published 8 Sep 2026)
- [CVE-2026-74239: XenForo path traversal in style archive importer on Windows](https://junglewise.ai/threats/cve-2026-74239-xenforo-path-traversal-in-style-archive-importer-on-windows) (high, CVSS 7.2, published 8 Sep 2026)
- [CVE-2026-73313: XenForo passkey TFA authentication bypass](https://junglewise.ai/threats/cve-2026-73313-xenforo-passkey-tfa-authentication-bypass) (medium, CVSS 6.8, published 8 Sep 2026)
- [CVE-2026-73321: XenForo stack overflow in BBCode parser](https://junglewise.ai/threats/cve-2026-73321-xenforo-stack-overflow-in-bbcode-parser) (medium, CVSS 6.5, published 8 Sep 2026)
- [CVE-2026-73319: XenForo cross-site scripting in dynamic redirect handler](https://junglewise.ai/threats/cve-2026-73319-xenforo-cross-site-scripting-in-dynamic-redirect-handler) (medium, CVSS 6.1, published 8 Sep 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 | 14 | 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, "XenForo Ltd. Xenforo vulnerabilities", https://junglewise.ai/threats/technologies/xenforo, 9 November 2026.