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CVE-2018-0645

31
FAUCET Score

CVE-2018-0645 is a critical remote PHP code execution vulnerability affecting MTAppjQuery versions 1.8.1 and earlier. With a CVSS score of 9.8, this flaw allows unauthenticated attackers to execute arbitrary code on vulnerable systems over the network with low complexity, leading to complete compromise of confidentiality, integrity, and availability. Despite its severity, there is no public exploit code available (Metasploit, Nuclei, ExploitDB), nor is it listed on CISA's KEV catalog. Furthermore, the vulnerability has received minimal community discussion or media coverage, suggesting a lack of widespread awareness or active exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.8.1CPE matchmatch criteria
cpe:2.3:a:bit-part:mtappjquery:*:*:*:*:*:movabletype:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.41%
Probability of exploitation in next 30 days
EPSS Percentile
82.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0241 is in the 72nd percentile among its peer group of 36,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

jvn.jp / en/jp/JVN62423700/index.html
Third Party Advisory
bit-part.net / news/2018/07/mtappjquery-20180717.html
Third Party Advisory
tinybeans.net / blog/2015/06/26-230919.html
Vendor Advisory