Vulnerability · Published Dec 17, 2025 · Assigned by VulnCheck
CVE-2023-53904Xenforo 2.2.13 Authenticated Stored Cross-Site Scripting via Smilie Categories
Medium 4.6
In plain English
A medium-severity cross-site scripting in Xenforo from Xenforo. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 19% of all known vulnerabilities).
Severity (CVSS 3.1)4.6Medium
Exploit odds (30 days)0.3%top 80.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Xenforo 2.2.13 contains a stored cross-site scripting vulnerability that allows authenticated administrators to inject malicious scripts through the smilie category title parameter. Attackers can create a smilie category with a malicious script that will execute when the admin panel is loaded, potentially enabling further client-side attacks.
Affected products (as reported)
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
References
- ExploitDB-51547 exploit
- Official Product Webpage product
- VulnCheck Advisory: Xenforo 2.2.13 Authenticated Stored Cross-Site Scripting via Smilie Categories third-party-advisory