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CVE-2023-5271

24
FAUCET Score

CVE-2023-5271 is a critical SQL injection vulnerability affecting SourceCodester Best Courier Management System 1.0, specifically within the edit_parcel.php file when manipulating the 'email' argument. It carries a high CVSS score of 8.8, indicating a network-exploitable flaw with low attack complexity that can lead to high impact on confidentiality, integrity, and availability. While the exploit has been publicly disclosed, there is no evidence of active exploitation, nor are there readily available Metasploit, Nuclei, or ExploitDB modules, and community discussion is minimal.

Impacted Technologies

VendorProductVersion(s)CPE
1.0CPE matchmatch criteria
cpe:2.3:a:mayurik:best_courier_management_system:1.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

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

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
2.1
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.62%
Probability of exploitation in next 30 days
EPSS Percentile
46.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0062 is in the 37th percentile among its peer group of 17,844 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 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 / E1CHO/cve_hub/blob/main/Best%20courier%20management%20system/Best%20courier%20management%20system%20project%20in%20php%20-%20vuln%203.pdf
ExploitProduct
vuldb.com
Permissions RequiredVDB Entry
vuldb.com
Third Party AdvisoryVDB Entry