CVE-2021-27520 — MEDIUM (6.1)

Vulnerability Description

A cross-site scripting (XSS) issue in FUDForum 3.1.0 allows remote attackers to inject JavaScript via index.php in the "author" parameter.

CVSS Score

6.1

MEDIUM

CVSS:3.1/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
Fudforum	Fudforum	3.1.0

Related Weaknesses (CWE)

CWE-79

References

http://packetstormsecurity.com/files/162942/FUDForum-3.1.0-Cross-Site-Scripting.ExploitThird Party AdvisoryVDB Entry
https://github.com/fudforum/FUDforum/issues/2ExploitIssue TrackingPatch
http://packetstormsecurity.com/files/162942/FUDForum-3.1.0-Cross-Site-Scripting.ExploitThird Party AdvisoryVDB Entry
https://github.com/fudforum/FUDforum/issues/2ExploitIssue TrackingPatch

FAQ

What is CVE-2021-27520?

CVE-2021-27520 is a vulnerability with a CVSS score of 6.1 (MEDIUM). A cross-site scripting (XSS) issue in FUDForum 3.1.0 allows remote attackers to inject JavaScript via index.php in the "author" parameter.

How severe is CVE-2021-27520?

CVE-2021-27520 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-2021-27520?

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