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CVE-2023-3970

18
FAUCET Score

CVE-2023-3970 is a problematic Cross-Site Scripting (XSS) vulnerability found in GZ Scripts Availability Booking Calendar PHP version 1.0. Specifically, it affects the Image Handler component via manipulation of the 'img' argument within the /index.php?controller=GzUser&action=edit&id=1 file. This vulnerability has a CVSS score of 5.4 (Medium), indicating it can be exploited remotely with low privileges and user interaction, potentially leading to limited impact on confidentiality and integrity. While the exploit has been publicly disclosed, there is no evidence of active exploitation, nor are there readily available Metasploit or Nuclei modules. Community discussion and media coverage for this CVE are minimal.

Impacted Technologies

VendorProductVersion(s)CPE
1.0CPE matchmatch criteria
cpe:2.3:a:gzscripts:availability_booking_calendar_php:1.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

3.5LOW

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.1
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.50%
Probability of exploitation in next 30 days
EPSS Percentile
40.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0050 is in the 61st percentile among its peer group of 15,225 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

seclists.org / fulldisclosure/2023/Jul/51
ExploitMailing ListThird Party Advisory
vuldb.com
Permissions RequiredThird Party Advisory
vuldb.com
Third Party Advisory