PT-2019-9618 · Gnuboard · Gnuboard5

Published 2019-07-23 · Updated 2024-09-19 · CVE-2018-18672

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 version 5.3.1.9

Description The issue allows remote attackers to inject arbitrary web script or HTML via the bo content head parameter, also known as the "board head contents" parameter, in the adm/board form update.php endpoint. This enables attackers to execute malicious scripts on the victim's browser.

Recommendations For GNUBOARD5 version 5.3.1.9, consider restricting access to the adm/board form update.php endpoint until a patch is available. As a temporary workaround, avoid using the bo content head parameter in this endpoint to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this issue.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2018-18672

Affected Products

Gnuboard5

References · 8

• https://github.com/gnuboard/gnuboard5/commit/a45241f4bc46aee1ab2cc0749f6444b043681edf#diff-05e83ad5f4c0624ed6ff385aed1bf33b · Patch
• https://github.com/gnuboard/gnuboard5/compare/15b2e73...2549172 · Patch
• https://osv.dev/vulnerability/CVE-2018-18672 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-18672 · Security Note
• https://github.com/gnuboard/gnuboard5/releases/tag/5.3.2.0 · Note
• https://t.me/cibsecurity/5670 · Telegram Post
• https://t.me/cvenotify/95229 · Telegram Post
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18672 · Note