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Fencer Vulns
medium 5.4

CVE-2025-25476 json

A stored cross-site scripting (XSS) vulnerability in SysPass 3.2.x allows a malicious user with elevated privileges to execute arbitrary Ja…

published 2025-02-28 20 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-5921

cvss
5.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 17%
public exploits
0
none known

Summary

A stored cross-site scripting (XSS) vulnerability in SysPass 3.2.x allows a malicious user with elevated privileges to execute arbitrary Javascript code by specifying a malicious XSS payload as a notification type or notification component.

CISA SSVC

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

Exploit prediction

0.26% chance of exploitation in the next 30 days, higher than 17% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/sysentr0py/CVEs/tree/main/CVE-2025-25476 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

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

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.