Availability Booking Calendar 5.0 is vulnerable to Multiple HTML Injection issues via SMS API Key or Default Country Code.

published 2023-12-07 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-52856

cvss: 5.4; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 39%
public exploits: 0; none known

Exploit prediction

0.45% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

packetstormsecurity.com http://packetstormsecurity.com/files/176033 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

packetstormsecurity.com /files/176033
exploit, third-party-advisory, vdb-entry

Sources

CVE List CVE-2023-48825
NVD CVE-2023-48825

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.

Summary