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Fencer Vulns
medium 6.1

CVE-2024-11356 json

Tourmaster < 5.3.4 - Unauthenticated Stored XSS via Room Booking

published 2025-01-06 22 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-34293

cvss
6.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 30%
public exploits
0
none known

Summary

The tourmaster WordPress plugin before 5.3.4 does not sanitise and escape some parameters when outputting them in the page, which could allow unauthenticated users to perform Cross-Site Scripting attacks.

Patch / fix

  • Unknown tourmaster 5.3.4

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
22 mo ago

Exploit prediction

0.36% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • wpscan.com https://wpscan.com/vulnerability/d70df54e-e99e-4539-9fd9-002c0642137e/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CNA 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

  • Unknown tourmaster

Classification

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

References

Sources

Fencer Vulns 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.