cronoh NanoVault xrb URL main.js executeJavaScript cross site scripting

published 2025-08-05 15 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-23580

cvss: 3.5; 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 44%
public exploits: 0; none known

A vulnerability, which was classified as problematic, has been found in cronoh NanoVault up to 1.2.1. This issue affects the function executeJavaScript of the file /main.js of the component xrb URL Handler. The manipulation leads to cross site scripting. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 15 mo ago (2025-08-05)

Exploit prediction

0.52% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

gist.github.com https://gist.github.com/jackfromeast/1e2e206813887a470e00b8474c616567 referenced PoC, tagged "exploit" by a source, unverified
drive.google.com https://drive.google.com/file/d/1Hil-UQiLweGe9q1aCiiyQoiW9wOJsY7-/view?usp=drive_link referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	5.1	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
CNA	3.1	3.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
CNA	3.0	3.5	CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
CNA	2.0	4.0	AV:N/AC:L/Au:S/C:N/I:P/A:N/E:POC/RL:ND/RC:UR
CNA	4.0	2.0	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CNA	3.1	3.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
NVD	3.1	9.0	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
CNA	2.0	4.0	AV:N/AC:L/Au:S/C:N/I:P/A:N

Affected products

cronoh NanoVault

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation
CWE-94 Improper Control of Generation of Code

References

gist.github.com /jackfromeast/1e2e206813887a470e00b8474c616567
related, exploit, third-party-advisory
drive.google.com /file/d/1Hil-UQiLweGe9q1aCiiyQoiW9wOJsY7-/view?usp=drive_link
broken-link, exploit, permissions-required
vuldb.com /?id.318665
vdb-entry, technical-description, third-party-advisory
vuldb.com /?ctiid.318665
signature, permissions-required, vdb-entry
vuldb.com /?submit.619142
third-party-advisory, vdb-entry

Sources

CVE List CVE-2025-8535
NVD CVE-2025-8535

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