PT-2021-10200 · Gnuboard5 · Gnuboard5

Lorexxar233 · Published 2021-06-24 · Updated 2024-09-19 · CVE-2020-18661

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: gnuboard5 versions prior to 5.3.2.8

Description: The issue is related to a Cross Site Scripting (XSS) vulnerability. It can be exploited via the url parameter to "bbs/login.php" endpoint.

Recommendations: For versions prior to 5.3.2.8, update to a version that contains a fix for this issue. As a temporary workaround, consider restricting access to the "bbs/login.php" endpoint until a patch is available. Avoid using the url parameter in the affected endpoint until the issue is resolved.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2020-18661

Affected Products

Gnuboard5

References · 5

• 🔥 https://github.com/gnuboard/gnuboard5/issues/43 · Exploit
• 🔥 https://github.com/LoRexxar/CVE_Request/tree/master/gnuboard5%20mul%20vuls%20before%20v5.3.2.8#limited-reflective-xss-in-bbsloginphp · Exploit
• https://osv.dev/vulnerability/CVE-2020-18661 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-18661 · Security Note
• https://seebug.org/vuldb/ssvid-97925 · Note