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Fencer Intel
high 8.8

CVE-2026-107126 json

WP Booking System < 2.1.0.1 - Unauthenticated Stored XSS via X-Forwarded-For Header

published 26d ago modified 26d ago also EUVD-2026-100886

cvss
8.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 40%
public exploits
0
none known

Summary

The WP Booking System WordPress plugin before 2.1.0.1 does not sanitise and escape a client-controllable request value before storing it and later outputting it in an administration screen, allowing unauthenticated attackers to perform Stored Cross-Site Scripting attacks that execute in the session of an administrator who views the stored data.

Patch / fix

  • Unknown WP Booking System 2.1.0.1

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
26d ago

Exploit prediction

0.46% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • wpscan.com https://wpscan.com/vulnerability/8496584c-f6b8-44e9-b27d-26d508be6914/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

  • Unknown WP Booking System

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.