CVE-2011-2771

Multiple cross-site scripting (XSS) vulnerabilities in Mahara before 1.4.1 allow remote attackers...

4.3 Medium

Multiple cross-site scripting (XSS) vulnerabilities in Mahara before 1.4.1 allow remote attackers to inject arbitrary web script or HTML via vectors related to (1) URI attributes and (2) the External Feed component, as demonstrated by the guid element in an RSS feed.

Exploit likelihood

1.80%Up 0.6 points since Feb 4, 2022

What each source reports

NVD Score used 4.3

Record: CVE-2011-2771
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

CVE List No score

Record: CVE-2011-2771
Updated: 2026-11-02

EUVDEUVD-2011-2745 No score

Record: EUVD-2011-2745
Updated: 2026-11-03

GitHub AdvisoriesGHSA-rg33-jc9v-hm8q No score

Multiple cross-site scripting (XSS) vulnerabilities in Mahara before 1.4.1 allow remote attackers...

Record: GHSA-rg33-jc9v-hm8q
Weakness: CWE-79
Updated: 2026-11-02

Affected products

mahara

Affected packages

Affected packages
Package	Affected	Fixed
`mahara` Debian:5.0 From an advisory covering 4 CVEs	before 1.0.4-4+lenny11, plus listed versions 1.0.4-41.0.4-4+lenny11.0.4-4+lenny101.0.4-4+lenny21.0.4-4+lenny3 Show 5 moreShow less 1.0.4-4+lenny41.0.4-4+lenny51.0.4-4+lenny61.0.4-4+lenny71.0.4-4+lenny8	1.0.4-4+lenny11
`mahara` Debian:6.0 From an advisory covering 4 CVEs	before 1.2.6-2+squeeze3, plus listed versions 1.2.6-21.2.6-2+squeeze11.2.6-2+squeeze2	1.2.6-2+squeeze3

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2011-2771 is a medium vulnerability (CVSS 4.3) in Mahara, published November 4, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.80%, the 78th percentile. No source names a fixed version.