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CVE-2023-3544

18
FAUCET Score

CVE-2023-3544 is a Cross-Site Scripting (XSS) vulnerability affecting GZ Scripts Time Slot Booking Calendar PHP version 1.8. Specifically, it arises from improper input validation in the /load.php file when handling parameters such as first_name, second_name, phone, address_1, and country. The vulnerability has a CVSSv3.1 score of 6.1 (Medium), indicating it can be exploited remotely with low attack complexity, requiring user interaction, and potentially leading to low impact on confidentiality and integrity. The vendor has not responded to disclosure efforts. Currently, there is no evidence of active exploitation, nor are there publicly available exploit modules in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are minimal, consistent with a large percentage of reported vulnerabilities.

Impacted Technologies

VendorProductVersion(s)CPE
1.8CPE matchmatch criteria
cpe:2.3:a:gzscripts:time_slot_booking_calendar_php:1.8:*:*:*:*:*:*:*

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
0.39%
Probability of exploitation in next 30 days
EPSS Percentile
31.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0039 is in the 32nd percentile among its peer group of 26,234 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 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 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

vuldb.com
Permissions RequiredThird Party AdvisoryVDB Entry
vuldb.com
Permissions RequiredThird Party AdvisoryVDB Entry