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CVE-2023-3393

21
FAUCET Score

CVE-2023-3393 is a code injection vulnerability affecting fossbilling prior to version 0.5.1. With a CVSS score of 7.2 (HIGH), this vulnerability allows a highly privileged attacker to execute arbitrary code remotely without user interaction, leading to complete compromise of confidentiality, integrity, and availability. While no public exploits, Metasploit modules, or Nuclei templates are currently available, and there is minimal community discussion or media coverage, the high severity warrants attention. This vulnerability is not listed in CISA's Known Exploited Vulnerabilities catalog.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.5.1CPE matchmatch criteria
cpe:2.3:a:fossbilling:fossbilling:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.0HIGH

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.3
Impact Score
6.0
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.03%
Probability of exploitation in next 30 days
EPSS Percentile
60.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0103 is in the 48th 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

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / fossbilling/fossbilling/commit/47343fb58db5c17c14bc6941dacbeb9c96957351
Patch
huntr.dev / bounties/e4df9280-900a-407a-a07e-e7fef3345914
ExploitPatchThird Party Advisory