CVE-2023-4113

Service Booking Script vulnerability

CVSS

4.3

EPSS

5.2%

EPSS pct

92th

Exploited

No known

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 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.

Affected vendor

Phpjabbers

Affected product

Service Booking Script

CVSS vector

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

Weakness type (CWE)

CWE-79 — Cross-Site Scripting (XSS)

Published

2023-08-03

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to low impact to integrity.

Its EPSS score of 5.2% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 92% of all scored CVEs.

Check your external exposure to CVE-2023-4113

Confirm whether Phpjabbers Service Booking Script is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2023-4113.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2023-4113

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2023-4113 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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