Cross Site Scripting (XSS) in Servidor Uniforme Zero

published 2024-05-13 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-57395

cvss: 6.3; 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 42%
public exploits: 0; none known

vulnerability in Uniform Server Zero, version 10.2.5, consisting of an XSS through the /us_extra/phpinfo.php page. This vulnerability could allow a remote user to send a specially crafted query to an authenticated user and partially take over their session details.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-05-13)

Exploit prediction

0.49% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

Affected products

Uniform Server Zero Uniform Server Zero

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

incibe.es /en/incibe-cert/notices/aviso/cross-site-scripting-xss-uniform-server-zero

Sources

CVE List CVE-2023-5052
NVD CVE-2023-5052

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