CVE-2012-6453

Cross-site scripting (XSS) vulnerability in the RSS Reader extension before 0.2.6 for MediaWiki allows remote attackers to inject arbitrary web script or HTML via a crafted feed.

Published: 2012-12-31 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2012-6453 is rated Low Risk (32/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.22%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2012-6453

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-30 0.27% 0.22% -0.04%
2 2025-03-29 0.22% 0.27% +0.04%
3 2025-03-17 — 0.22% —

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-6453

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2012-6453

OS Trackers for CVE-2012-6453

vendor priority summary link
ubuntu medium CVE-2012-6453 medium priority: Ubuntu including 1 source packages (mediawiki-extensions), 15 status rows across 15 suites (hardy, lucid, oneiric, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): ignored 5, not-affected 5, DNE 4, released 1. https://ubuntu.com/security/CVE-2012-6453

Affected software / configurations for CVE-2012-6453

Vendor Product Version Raw CPE
mediawiki rssreader <= 0.2.5 cpe:2.3:a:mediawiki:rssreader:*:*:*:*:*:*:*:*
mediawiki rssreader 0.2 cpe:2.3:a:mediawiki:rssreader:0.2:*:*:*:*:*:*:*
mediawiki rssreader 0.2.1 cpe:2.3:a:mediawiki:rssreader:0.2.1:*:*:*:*:*:*:*
mediawiki rssreader 0.2.2 cpe:2.3:a:mediawiki:rssreader:0.2.2:*:*:*:*:*:*:*
mediawiki rssreader 0.2.3 cpe:2.3:a:mediawiki:rssreader:0.2.3:*:*:*:*:*:*:*
mediawiki rssreader 0.2.4 cpe:2.3:a:mediawiki:rssreader:0.2.4:*:*:*:*:*:*:*

References for CVE-2012-6453

cvelogic Threat Intelligence