CVE-2023-4113
XSS in Phpjabbers Service Booking Script 1.0
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:NCVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.
Summary
CVE-2023-4113 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Phpjabbers Service Booking Script. Its CVSS base score is 4.3 (Medium).
Operationally, exploitation aligns with the MITRE ATT&CK technique Protocol or Service Impersonation (T1001.003); ranked in the top 5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis AI-assisted summary
Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.
CVE-2023-4113 is a cross-site scripting vulnerability affecting PHP Jabbers Service Booking Script 1.0. The flaw resides in unknown code within the /index.php file and stems from improper handling of the index argument, which permits injection of arbitrary scripts. It is tracked under CWE-79 and carries a CVSS 3.1 score of 4.3 reflecting network attack vector, low complexity, no required privileges, and required user interaction.
An unauthenticated remote attacker can exploit the issue by supplying a crafted request to /index.php that triggers script execution in a victim's browser. The attack achieves limited integrity impact, such as page manipulation or client-side actions, without affecting confidentiality or availability.
The vendor was contacted prior to disclosure but provided no response, and the referenced advisories from VulDB and Packet Storm Security contain no mitigation guidance or patch information. The associated EPSS score has reached a peak of 0.1710 with a current value of 0.1513.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-53999
Vulnerability Data
A vulnerability was found in PHP Jabbers Service Booking Script 1.0. It has been declared as problematic. This vulnerability affects unknown code of the file /index.php. The manipulation of the argument index leads to cross site scripting. The attack can…
more
be initiated remotely. The identifier of this vulnerability is VDB-235960. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise Techniques
CVEs Like This One
Affected Assets
Mitigating Controls
Control response
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V1.1.2V1.3.2
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.
Mitigating Controls (NIST CSF 2.0) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.
Secure SDLC practices directly target introduction of XSS via coding standards/testing (mostly), yet the single broad outcome leaves many specific neutralization vectors unaddressed (partial).
Patching and EOL replacement can remediate known XSS instances in libraries or frameworks (partial) but do nothing to enforce input neutralization in application code (none).
Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.
A.5.6 only promotes membership in groups to improve knowledge, receive alerts, and share information; it performs no action that stops XSS exploitation (or even the underlying neutralization defect) and is a pure dependency for other controls per the owner's labeling rule.