CVE-2018-25247

MEDIUM

MyBB Like Plugin 3.0.0 Cross-Site Scripting via User Profiles

Title source: cna
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-25247. PoCs published by 0xB9.

AI-analyzed exploit summary This exploit demonstrates a stored XSS vulnerability in the MyBB Like Plugin 3.0.0, where unsanitized post/thread subjects are rendered in user profiles. The PoC involves injecting a malicious script into a post/thread subject, which executes when viewed in the profile.

Description

MyBB Like Plugin 3.0.0 contains a stored cross-site scripting vulnerability. Authenticated attackers can inject script payloads into post or thread subjects; when other users view a profile that displays the attacker's liked posts, the unsanitized subject is rendered, executing the script in the viewer's browser.

Exploits (1)

exploitdb WORKING POC
by 0xB9 · textwebappsphp
https://www.exploit-db.com/exploits/45179

This exploit demonstrates a stored XSS vulnerability in the MyBB Like Plugin 3.0.0, where unsanitized post/thread subjects are rendered in user profiles. The PoC involves injecting a malicious script into a post/thread subject, which executes when viewed in the profile.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: MyBB Like Plugin 3.0.0
Auth required
Prerequisites: User must create a post/thread with malicious subject · Post/thread must be liked by another user
devstral-2 · analyzed Apr 07, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit exploit
ExploitDB-45179
https://www.exploit-db.com/exploits/45179
Third Party Advisory third-party-advisory
VulnCheck Advisory: MyBB Like Plugin 3.0.0 Cross-Site Scripting via User Profiles
https://www.vulncheck.com/advisories/mybb-like-plugin-cross-site-scripting-via-user-profiles

Scores

CVSS v3 6.1
EPSS 0.0022
EPSS Percentile 12.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (2)
MyBB/MyBB Like Plugin 3.0.0
mybb/thankyou\/like_system < 3.0.0
Published Apr 04, 2026
Tracked Since Apr 04, 2026