PT-2018-11266 · Vbulletin+1 · Vbulletin 4+2

L4Rm4Nd + 1 · Published 2018-06-19 · Updated 2018-08-11 · CVE-2018-12580

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 DragonByte vBSecurity versions 3.x through 3.3.0 for vBulletin 3 and vBulletin 4

Description The issue allows self-XSS via the user agent variable in the "Login Sessions" feature. This occurs in the library/DBTech/Security/Action/Sessions.php file.

Recommendations For DragonByte vBSecurity versions 3.x through 3.3.0, consider restricting access to the "Login Sessions" feature until a fix is available. As a temporary workaround, avoid using the user agent variable in the affected feature to minimize the risk of exploitation.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2018-12580

Affected Products

Dragonbyte Vbsecurity

Vbulletin 3

Vbulletin 4

References · 3

• https://dragonbyte-tech.com/threads/security-bulletin-low-vbsecurity-for-vbulletin-3-vbulletin-4-partial-xss.22534 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-12580 · Security Note
• https://osv.dev/vulnerability/CVE-2018-12580 · Vendor Advisory