UpHeron
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Servers and applications

CVE-2012-1582

Cross-site scripting (XSS) vulnerability in the wikitext parser in MediaWiki 1.17.x before 1.17.3 and 1.18.x before 1.18.2 allows remote attackers to inject arbitrary web script or HTML via a crafted page with "forged strip item markers," as demonstrated using the CharInsert extension.

Severity
Medium 4.3
Published
9 Sept 2012
Last changed
16 Jun 2026
Added to UpHeron
21 Oct 2026
Exploit chance
2.4% in the next 30 daysHigher than 84% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Cross-site scripting (CWE-79)
Attack
Over the network · No login needed
Attacker can
Change some data
CVSS vector
AV:N/AC:M/Au:N/C:N/I:P/A:N
Sources
NVD

Affected software

SoftwareAffected versions
MediaWikiServers and applications · cpe:a:mediawiki:mediawiki
  • Version 1.18.1
  • Version 1.18
  • Version 1.18.0-rc1
  • Version 1.18-beta_1
All 9 release lines
  • Version 1.17-beta_1
  • Version 1.17.0-rc1
  • Version 1.17
  • Version 1.17.1
  • Version 1.17.2
  • Version 1.18-beta_1
  • Version 1.18.0-rc1
  • Version 1.18
  • Version 1.18.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2012-1582
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2012-1582