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CVE-2018-25250

25
FAUCET Score

CVE-2018-25250 identifies a persistent cross-site scripting (XSS) vulnerability within MyBB Last User's Threads in Profile Plugin version 1.2. Attackers can inject malicious scripts into thread subjects, which subsequently execute when other users visit the attacker's profile page. Rated High with a CVSS v3.1 score of 7.2, this vulnerability has a network attack vector and low attack complexity, potentially leading to compromised user sessions or content defacement. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.2CPE matchmatch criteria
cpe:2.3:a:mybb:last_user_threads:*:*:*:*:*:mybb:*:*

CVSS Data

CVSS version used by this source: 4.0

5.1MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/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

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
PASSIVE
VS Confidentiality
NONE
VS Integrity
NONE
VS Availability
NONE
SS Confidentiality
LOW
SS Integrity
LOW
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.20%
Probability of exploitation in next 30 days
EPSS Percentile
10.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0020 is in the 1st percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

community.mybb.com / mods.php
Permissions RequiredProduct
exploit-db.com / exploits/44339
ExploitVDB Entry
vulncheck.com / advisories/mybb-last-user-s-threads-in-profile-plugin-persistent-xss
Third Party Advisory