CVE-2026-28561
5.5 · MEDIUMOverview
CVE-2026-28561 is a medium-severity vulnerability affecting gvectors wpforo_forum. It was published on February 28, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
wpForo Forum 2.4.14 contains a stored cross-site scripting vulnerability that allows administrators to inject persistent JavaScript via forum description fields echoed without output escaping across multiple theme template files. On multisite installations or with a compromised admin account, attackers set a forum description containing HTML event handlers that execute when any user views the forum listing.
Remediation
Check the references section for vendor advisories and patches from gvectors. Update wpforo_forum to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| gvectors | wpforo_forum | >= 2.4.0, < 2.4.16 | Affected |
Frequently Asked Questions
What is CVE-2026-28561?
CVE-2026-28561 is a medium-severity vulnerability affecting gvectors wpforo_forum. It was published on February 28, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2026-28561?
This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2026-28561?
Check the references section for vendor advisories and patches from gvectors. Update wpforo_forum to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-28561?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-28561 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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