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CVE-2014-9059

Moodle does not provide charset information in HTTP headers

4.3 MediumFix available

lib/setup.php in Moodle through 2.4.11, 2.5.x before 2.5.9, 2.6.x before 2.6.6, and 2.7.x before 2.7.3 does not provide charset information in HTTP headers, which might allow remote attackers to conduct cross-site scripting (XSS) attacks via UTF-7 characters during interaction with AJAX scripts.

Exploit likelihood

1.83%Up 0.6 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 4.3

lib/setup.php in Moodle through 2.4.11, 2.5.x before 2.5.9, 2.6.x before 2.6.6, and 2.7.x before 2.7.3 does not provide charset information in HTTP headers, which might allow remote attackers to conduct cross-site scripting (XSS) attacks via UTF-7 characters during interaction with AJAX scripts.

Record
CVE-2014-9059
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

lib/setup.php in Moodle through 2.4.11, 2.5.x before 2.5.9, 2.6.x before 2.6.6, and 2.7.x before 2.7.3 does not provide charset information in HTTP headers, which might allow remote attackers to conduct cross-site scripting (XSS) attacks via UTF-7 characters during interaction with AJAX scripts.

Record
CVE-2014-9059
Updated
2026-11-02
EUVDEUVD-2022-3625 No score

lib/setup.php in Moodle through 2.4.11, 2.5.x before 2.5.9, 2.6.x before 2.6.6, and 2.7.x before 2.7.3 does not provide charset information in HTTP headers, which might allow remote attackers to conduct cross-site scripting (XSS) attacks via UTF-7 characters during interaction with AJAX scripts.

Record
EUVD-2022-3625
Updated
2026-11-03
GitHub AdvisoriesGHSA-crcq-pw8h-9xwf No score

Moodle does not provide charset information in HTTP headers

lib/setup.php in Moodle through 2.4.11, 2.5.x before 2.5.9, 2.6.x before 2.6.6, and 2.7.x before 2.7.3 does not provide charset information in HTTP headers, which might allow remote attackers to conduct cross-site scripting (XSS) attacks via UTF-7 characters during interaction with AJAX scripts.

Record
GHSA-crcq-pw8h-9xwf
Weakness
CWE-79
Updated
2026-11-02
OSVGHSA-crcq-pw8h-9xwf No score

Moodle does not provide charset information in HTTP headers

lib/setup.php in Moodle through 2.4.11, 2.5.x before 2.5.9, 2.6.x before 2.6.6, and 2.7.x before 2.7.3 does not provide charset information in HTTP headers, which might allow remote attackers to conduct cross-site scripting (XSS) attacks via UTF-7 characters during interaction with AJAX scripts.

Record
GHSA-crcq-pw8h-9xwf
Weakness
CWE-79
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
moodle/moodle
Packagist
 before 2.5.9
2.5.9
moodle/moodle
Packagist
 2.6.0 up to 2.6.6
2.6.6
moodle/moodle
Packagist
 2.7.0 up to 2.7.3
2.7.3
moodle/moodle
Packagist
 before 2.5.9, plus listed versions
v2.3.10v2.3.11v2.3.4v2.3.5v2.3.6
Show 27 moreShow less
v2.3.7v2.3.8v2.3.9v2.4.0v2.4.0-rc1v2.4.1v2.4.10v2.4.11v2.4.2v2.4.3v2.4.4v2.4.5v2.4.6v2.4.7v2.4.8v2.4.9v2.5.0v2.5.0-betav2.5.0-rc1v2.5.1v2.5.2v2.5.3v2.5.4v2.5.5v2.5.6v2.5.7v2.5.8
2.5.9
moodle/moodle
Packagist
 2.6.0 up to 2.6.6, plus listed versions
v2.6.0v2.6.1v2.6.2v2.6.3v2.6.4v2.6.5
2.6.6
moodle/moodle
Packagist
 2.7.0 up to 2.7.3, plus listed versions
v2.7.0v2.7.1v2.7.2
2.7.3

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

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

In short

CVE-2014-9059 is a medium vulnerability (CVSS 4.3) in Moodle, published November 24, 2014. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.83%, the 78th percentile. Fixed in moodle/moodle 2.5.9.

References

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