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CVE Vulnerability Details :
CVE-2026-28560
PUBLISHED
More InfoOfficial Page
Assigner-VulnCheck
Assigner Org ID-83251b91-4cc7-4094-a5c7-464a1b83ea10
View Known Exploited Vulnerability (KEV) details
Published At-28 Feb, 2026 | 21:47
Updated At-28 Feb, 2026 | 21:47
Rejected At-
▼CVE Numbering Authority (CNA)
wpForo Forum 2.4.14 Stored XSS via Unsafe JSON Encoding in Inline Script

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 Products
Vendor
gVectors Team
Product
wpForo Forum
Default Status
unaffected
Versions
Affected
  • From 2.4 before 2.4.16 (semver)
Unaffected
  • 2.4.16 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Type: CWE
CWE ID: CWE-79
Description: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Metrics
VersionBase scoreBase severityVector
4.04.8MEDIUM
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
3.15.5MEDIUM
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
Version: 4.0
Base score: 4.8
Base severity: MEDIUM
Vector:
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
Version: 3.1
Base score: 5.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
finder
Scott Moore - VulnCheck
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://wordpress.org/plugins/wpforo/
product
https://wordpress.org/plugins/wpforo/#developers
patch
https://www.vulncheck.com/advisories/wpforo-forum-stored-xss-via-unsafe-json-encoding-in-inline-script
third-party-advisory
Hyperlink: https://wordpress.org/plugins/wpforo/
Resource:
product
Hyperlink: https://wordpress.org/plugins/wpforo/#developers
Resource:
patch
Hyperlink: https://www.vulncheck.com/advisories/wpforo-forum-stored-xss-via-unsafe-json-encoding-in-inline-script
Resource:
third-party-advisory
Details not found