VulnerabilityModified

CVE-2014-5345

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.

EXPLOITMEDIUM 4.3EPSS 6.09%

Does this matter?

A public exploit is published in Exploit-DB, so the technical barrier is gone even though the severity is medium and EPSS is 6.1%. Treat it as high on anything reachable from the internet.

Description

CVSS 2.0: 4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
EPSS: 6.09% probability · 93th percentile
Public exploits: 1 in Exploit-DB · first 14 August 2014
CISA KEV: Not listed
Weakness: CWE-79
Affected: disqus/disqus comment system
Source: cve@mitre.org

EPSS trend

EPSS 6.1% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-ID	Title	Type	Published	Verified
EDB-34336 source ↗	WordPress Plugin Disqus 2.7.5 - Cross-Site Request Forgery (Admin Persistent) / Cross-Site Scriptingphp · Nik Cubrilovic	webapps	14 August 2014	no

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.