CVE-2012-6453
Cross-site scripting (XSS) vulnerability in the RSS Reader extension before 0.2.6 for MediaWiki...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2012-6453- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2012-6453- Updated
- 2026-11-02
EUVDEUVD-2012-6306 No score
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.
- Record
EUVD-2012-6306- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6mcc-9h2f-gjqf No score
Cross-site scripting (XSS) vulnerability in the RSS Reader extension before 0.2.6 for MediaWiki...
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.
- Record
GHSA-6mcc-9h2f-gjqf- Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
mediawiki-extensionsDebian:6.0 |
before 2.3squeeze2, plus listed versions 2.32.3squeeze1 |
2.3squeeze2 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2012-6453 is a medium vulnerability (CVSS 4.3) in Mediawiki Rssreader, published December 30, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.98%, the 62nd percentile. Fixed in mediawiki-extensions 2.3squeeze2.