CVE-2014-5345

Cross-site scripting (XSS) vulnerability in upgrade.php in the Disqus Comment System plugin...

4.3 MediumPublic exploit

Cross-site scripting (XSS) vulnerability in upgrade.php in the Disqus Comment System plugin before 2.76 for WordPress allows remote attackers to inject arbitrary web script or HTML via the step parameter.

Exploit likelihood

6.09%Up 4.9 points since Feb 4, 2022

What each source reports

NVD Score used 4.3

Record: CVE-2014-5345
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

CVE List No score

Record: CVE-2014-5345
Updated: 2026-11-02

EUVDEUVD-2014-5234 No score

Record: EUVD-2014-5234
Updated: 2026-11-03

GitHub AdvisoriesGHSA-vj6x-9f28-99g4 No score

Cross-site scripting (XSS) vulnerability in upgrade.php in the Disqus Comment System plugin...

Record: GHSA-vj6x-9f28-99g4
Weakness: CWE-79
Updated: 2026-11-02

Affected products

disqus comment system

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	WordPress Plugin Disqus 2.7.5 - Cross-Site Request Forgery (Admin Persistent) / Cross-Site Scripting	2014-08-14

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, Exploit-DB, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2014-5345 is a medium vulnerability (CVSS 4.3) in Disqus Comment System, published August 19, 2014. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 6.09%, the 93rd percentile. No source names a fixed version.