PT-2021-17492 · Fudforum · Fudforum

Xoffense · Published 2021-03-19 · Updated 2021-12-03 · CVE-2021-27520

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions FUDForum version 3.1.0

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

Recommendations For FUDForum version 3.1.0, as a temporary workaround, consider restricting access to the "index.php" endpoint or sanitizing the author parameter to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-27520

Affected Products

Fudforum

References · 7

• 🔥 https://github.com/fudforum/FUDforum/issues/2 · Exploit
• 🔥 http://packetstormsecurity.com/files/162942/FUDForum-3.1.0-Cross-Site-Scripting.html · Exploit
• 🔥 https://exploit-db.com/exploits/49943 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-27520 · Security Note
• https://osv.dev/vulnerability/CVE-2021-27520 · Vendor Advisory
• https://t.me/cibsecurity/25192 · Telegram Post
• https://t.me/cvenotify/11814 · Telegram Post