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CVE-2018-13021

24
FAUCET Score

CVE-2018-13021 describes an Arbitrary Script File Upload vulnerability in HongCMS 3.0.0, specifically via the admin/index.php/template/upload URI. This flaw carries a CVSSv3 score of 7.2 (HIGH), indicating that an attacker with high privileges can remotely execute arbitrary PHP code with low attack complexity, leading to high impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (e.g., Metasploit, ExploitDB), or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
3.0.0CPE matchmatch criteria
cpe:2.3:a:hongcms_project:hongcms:3.0.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.2HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.2
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.20%
Probability of exploitation in next 30 days
EPSS Percentile
80.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0220 is in the 77th percentile among its peer group of 5,531 CVEs.

Social Chatter

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

github.com / Neeke/HongCMS/issues/5
ExploitThird Party Advisory