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CVE-2023-43899

27
FAUCET Score

CVE-2023-43899 is a critical SQL injection vulnerability affecting hansun CMS v1.0, specifically within the /ajax/ajax_login.ashx component. With a CVSS score of 9.8, this vulnerability allows unauthenticated attackers to execute arbitrary SQL commands with high impact on confidentiality, integrity, and availability. While no public exploits or active exploitation have been observed, and community discussion is minimal, organizations using hansun CMS v1.0 should prioritize patching or mitigation due to the severe potential consequences.

Impacted Technologies

VendorProductVersion(s)CPE
1.0CPE matchmatch criteria
cpe:2.3:a:hansuncms_project:hansuncms:1.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/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
3.1

Exploit Intelligence

EPSS Score
0.52%
Probability of exploitation in next 30 days
EPSS Percentile
41.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0052 is in the 20th percentile among its peer group of 36,897 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

gist.github.com / len0m0/9cb2e87cb517db297be1b2f110248295
Third Party Advisory
github.com / len0m0/hansuncmssqli/blob/main/README.md
Broken Link