---
title: "CVE-2015-9251\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2015-9251?format=md
keywords: index, follow
---

# CVE-2015-9251

Publication date 18 January 2018

Last updated 25 August 2025

---

Ubuntu priority

**Low**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

## Cvss 3 Severity Score

**6.1 · Medium**

[Score breakdown](https://ubuntu.com/security/CVE-2015-9251?format=md#impact-score)

Toggle side navigation

## Description

jQuery before 3.0.0 is vulnerable to Cross-site Scripting (XSS) attacks
when a cross-domain Ajax request is performed without the dataType option,
causing text/javascript responses to be executed.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2015-9251?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| jquery | 20.04 LTS focal | Not affected |
| 19.10 eoan | Not affected |
| 19.04 disco | Not affected |
| 18.10 cosmic | Not affected |
| 18.04 LTS bionic | Not affected |
| 17.10 artful | Not affected |
| 16.04 LTS xenial | Ignored |
| 14.04 LTS trusty | Ignored end of standard support |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)
* [Patch details](https://ubuntu.com/security/CVE-2015-9251?format=md#patch-details)

## Notes

---

### [mdeslaur](https://launchpad.net/~mdeslaur)

fix is intrusive and backwards-incompatible, see bug 3011
Due to this, we will not be fixing this issue in Ubuntu stable
releases. Marking as ignored.

### Patch details

For informational purposes only. We recommend not to cherry-pick updates. [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)

| Package | Patch details |
| --- | --- |
| jquery | * Upstream:   [f60729f](https://github.com/jquery/jquery/commit/f60729f3903d17917dc351f3ac87794de379b0cc) |

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

6.1 · Medium

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Network |
  | Attack complexity | Low |
  | Privileges required | None |
  | User interaction | Required |
  | Scope | Changed |
  | Confidentiality impact | Low |
  | Integrity impact | Low |
  | Availability impact | None |
* Scores

  | Parameter | Value |
  | --- | --- |
  | Base score | 6.1 · Medium |
  | Exploitability score | - |
  | Impact score | - |

**Vector:** CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-9251)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2015-9251)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2015-9251)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2015-9251)

### Other references

* <https://github.com/jquery/jquery/pull/2588>
* <https://snyk.io/vuln/npm:jquery:20150627>
* <https://github.com/jquery/jquery/pull/2588/commits/c254d308a7d3f1eac4d0b42837804cfffcba4bb2>
* <https://www.cve.org/CVERecord?id=CVE-2015-9251>