CVE-2026-28560
4.8
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Summary
wpForo Forum 2.4.14 contains a stored cross-site scripting vulnerability that allows script injection via forum URL data output into an inline script block using json_encode without the JSON_HEX_TAG flag. Attackers set a forum slug containing a closing script tag or unescaped single quote to break out of the JavaScript string context and execute arbitrary script in all visitors' browsers.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| gVectors Team | wpForo Forum | 2.4 < 2.4.16 | affected |
| gVectors Team | wpForo Forum | 2.4.16 | unaffected |
Weaknesses
- CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://wordpress.org/plugins/wpforo/
- https://wordpress.org/plugins/wpforo/#developers
- https://www.vulncheck.com/advisories/wpforo-forum-stored-xss-via-unsafe-json-encoding-in-inline-script
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