CVE-2023-4111
Published: 03 August 2023
Summary
CVE-2023-4111 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Phpjabbers Bus Reservation System. Its CVSS base score is 4.3 (Medium).
Operationally, ranked in the top 4.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
A cross-site scripting vulnerability exists in PHP Jabbers Bus Reservation System version 1.1. The flaw resides in an unspecified function within the /index.php file and is triggered by unsanitized input supplied to the index/pickup_id parameter. It is tracked as CWE-79 and received a CVSS v3.1 base score of 4.3.
An unauthenticated remote attacker can exploit the issue by supplying a crafted payload that executes in the browser of a victim who follows a malicious link. Successful exploitation permits limited alteration of page content but does not affect confidentiality or availability.
Public references include a PacketStorm disclosure containing proof-of-concept details and multiple VulDB entries; no vendor patch or mitigation guidance has been published because the vendor did not respond to coordinated disclosure attempts. The associated EPSS score has remained in the 0.17–0.19 range without notable increase.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-53997
Vulnerability details
A vulnerability was found in PHP Jabbers Bus Reservation System 1.1 and classified as problematic. Affected by this issue is some unknown functionality of the file /index.php. The manipulation of the argument index/pickup_id leads to cross site scripting. The attack…
more
may be launched remotely. VDB-235958 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.