In MyBB before 1.8.11, the smilie module allows Directory Traversal via the pathfolder parameter.
Summary
In MyBB before 1.8.11, the smilie module allows Directory Traversal via the pathfolder parameter.
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A weakness called CVE-2017-8104 was discovered in In MyBB before.
In plain terms, it is a flaw that lets attackers reach files they should not see.
Severity is Medium (CVSS 5.3/10). Exploitation requires specific conditions but can cause real harm if successful.
What you should do: update the affected software to the latest version. If unsure, ask your IT team or search the vendor's site for "In MyBB before CVE-2017-8104".
CVE-2017-8104 (In MyBB before). Severity: Medium / CVSSv3 5.3. Category: CWE-22.
Response plan:
- Check the vendor advisory for affected versions and the patched release.
- If a vulnerable version is running in production, schedule maintenance (urgency from KEV/CVSS).
- If no patch yet, mitigate via WAF rule, disabling the affected feature, etc.
- Monitor logs / SIEM for known IOC and PoC signatures of this CVE.
PoCs and fix commits: see the 'References' section, MITRE, and NVD.
A weakness (CVE-2017-8104) in In MyBB before. In plain words, it is a flaw that lets attackers reach files they should not see.
Target versions of In MyBB before (see vendor advisory). If running in production, identify exposure immediately.
Severity: Medium (CVSS 5.3/10). Exploitation requires specific conditions but can cause real harm if successful.
Update to the patched release as listed in the vendor advisory. (Typical mitigation pattern for CWE-22)
If a patch is not yet available, consider disabling the affected feature, applying WAF rules, blocking via network ACLs, or isolating the vulnerable version.
Check version information, scan dependencies via SBOM, and monitor SIEM for IOC and PoC signatures related to this CVE.
References
- advisory securityfocus.com
- exploit seclists.org
- patch blog.mybb.com