All vulnerabilities

Servers and applications

CVE-2011-4133

Cross-site request forgery (CSRF) vulnerability in Moodle 1.9.x before 1.9.11 allows remote attackers to hijack the authentication of unspecified victims for requests that modify an RSS feed in an RSS block.

Severity
Medium 6.8
Published
16 Jul 2012
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
1% in the next 30 daysHigher than 63% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Cross-site request forgery (CWE-352)
Attack
Over the network · No login needed
Attacker can
Read some data · Change some data · Slow it down
CVSS vector
AV:N/AC:M/Au:N/C:P/I:P/A:P
Sources
NVD

Affected software

SoftwareAffected versions
MoodleServers and applications · cpe:a:moodle:moodle
  • Version 1.9.10
  • Version 1.9.9
  • Version 1.9.8
  • Version 1.9.7
All 10 release lines
  • Version 1.9.1
  • Version 1.9.2
  • Version 1.9.3
  • Version 1.9.4
  • Version 1.9.5
  • Version 1.9.6
  • Version 1.9.7
  • Version 1.9.8
  • Version 1.9.9
  • Version 1.9.10

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2011-4133
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2011-4133