CVE-2018-15596 — MEDIUM (6.1)

Vulnerability Description

An issue was discovered in inc/class_feedgeneration.php in MyBB 1.8.17. On the forum RSS Syndication page, one can generate a URL such as http://localhost/syndication.php?fid=&type=atom1.0&limit=15. The thread titles (within title elements of the generated XML documents) aren't sanitized, leading to XSS.

CVSS Score

6.1

MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Mybb	Mybb	1.8.17

Related Weaknesses (CWE)

CWE-79

References

https://blog.mybb.com/2018/08/22/mybb-1-8-18-released-security-maintenance-releaVendor Advisory
https://www.exploit-db.com/exploits/45393/ExploitThird Party AdvisoryVDB Entry
https://blog.mybb.com/2018/08/22/mybb-1-8-18-released-security-maintenance-releaVendor Advisory
https://www.exploit-db.com/exploits/45393/ExploitThird Party AdvisoryVDB Entry

FAQ

What is CVE-2018-15596?

CVE-2018-15596 is a vulnerability with a CVSS score of 6.1 (MEDIUM). An issue was discovered in inc/class_feedgeneration.php in MyBB 1.8.17. On the forum RSS Syndication page, one can generate a URL such as http://localhost/syndication.php?fid=&type=atom1.0&limit=15. T...

How severe is CVE-2018-15596?

CVE-2018-15596 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-15596?

Check the references section above for vendor advisories and patch information. Affected products include: Mybb Mybb.