CVE-2014-9772 json
XSS Filter Bypass via Encoded URL in validator
published 2017-01-23 9 y ago modified 2026-06-17 4 mo ago also GHSA-79mx-88w7-8f7q , EUVD-2018-0733
- cvss
- 6.1
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.6%
- EPSS 2.6% chance of exploitation in 30 days, percentile 85%
- public exploits
- 0
- none known
Summary
The validator package before 2.0.0 for Node.js allows remote attackers to bypass the cross-site scripting (XSS) filter via hex-encoded characters.
Patch / fix
- npm validator 2.0.0
Exploit prediction
2.63% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- nodesecurity.io https://nodesecurity.io/advisories/43 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
| GitHub | 3.0 | 6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | validator | <2.0.0 |
2.0.0 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
nodesecurity.io
/advisories/43
exploit, mitigation, vendor-advisory
-
securityfocus.com
/bid/97102
vdb-entry, web
-
openwall.com
/lists/oss-security/2016/04/20/11
mailing-list, web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2014-9772
advisory
-
github.com
/chriso/validator.js/issues/181
web
-
github.com
/advisories/GHSA-79mx-88w7-8f7q
advisory
-
github.com
/chriso/validator.js
package
-
npmjs.com
/advisories/43
web
Sources
- CVE List CVE-2014-9772
- GitHub Advisory GHSA-79mx-88w7-8f7q
- NVD CVE-2014-9772
Fencer Intel 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.