CVE-2026-35057 (GCVE-0-2026-35057)

Vulnerability from cvelistv5 – Published: 2026-04-01 00:30 – Updated: 2026-05-24 01:37
VLAI
Title
XenForo Stored Cross-Site Scripting via Structured Text Mentions
Summary
XenForo before 2.3.10 and before 2.2.19 is vulnerable to stored cross-site scripting (XSS) in structured text mentions, primarily affecting legacy profile post content. An attacker can inject malicious scripts through crafted mentions that are stored and executed when other users view the content.
Severity
5.1 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
6.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-01 13:18 UTC
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6903 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
XenForo XenForo Affected: 2.3.0 , < 2.3.10 (semver)
Affected: 0 , < 2.2.19 (semver)
    cpe:2.3:a:xenforo:xenforo:*:*:*:*:*:*:*:*
    cpe:2.3:a:xenforo:xenforo:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-03-06 00:00
Credits
metho
Show details on NVD website
To clipboard 

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