CVE-2021-47934

תיאור (מקור, אנגלית)

MyBB Timeline Plugin 1.0 contains cross-site scripting vulnerabilities that allow attackers to inject malicious scripts through thread titles, post content, and user profile fields like Location and Bio. Attackers can also exploit a cross-site request forgery vulnerability in the timeline.php profile action to change a user's cover picture by crafting malicious forms that execute when victims visit affected profiles.

מדדים

CVSS 3.1

5.3 (MEDIUM) מקור הציון: CNA CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CVSS 4.0

6.9 (MEDIUM) מקור הציון: CNA CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS — סבירות ניצול

0% (אחוזון 000) נכון ל-30/9/2026

CWE

CWE-79

קישורים

• https://community.mybb.com/mods.php?action=view&pid=1428
• https://www.exploit-db.com/exploits/49467
• https://www.vulncheck.com/advisories/mybb-timeline-plugin-cross-site-scripting‮…