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CVE-2023-4543

31
FAUCET Score

CVE-2023-4543 is a critical SQL injection vulnerability affecting IBOS OA version 4.5.5, specifically within the 'recruit/contact/export' function. This flaw allows an unauthenticated, remote attacker to execute arbitrary SQL commands due to improper input validation. With a CVSS score of 9.8, the vulnerability poses a severe risk, enabling full compromise of confidentiality, integrity, and availability of the affected system. While no active exploitation has been confirmed, public exploit details are available, and the vulnerability has garnered significant community discussion, indicating potential for future attacks. The vendor has not responded to disclosure efforts.

Impacted Technologies

VendorProductVersion(s)CPE
4.5.5CPE matchmatch criteria
cpe:2.3:a:ibos:ibos:4.5.5:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.3MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
2.8
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.80%
Probability of exploitation in next 30 days
EPSS Percentile
52.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0080 is in the 36th percentile among its peer group of 36,835 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

github.com / spcck/cve/blob/main/sql.md
ExploitThird Party Advisory
vuldb.com
Permissions RequiredThird Party AdvisoryVDB Entry
vuldb.com
Third Party AdvisoryVDB Entry