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CVE-2009-3724

Cross-site scripting in markdown2 for python

6.1 MediumFix available

python-markdown2 before 1.0.1.14 has multiple cross-site scripting (XSS) issues.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
None

Exploit likelihood

0.77%Down 0.1 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 6.1

python-markdown2 before 1.0.1.14 has multiple cross-site scripting (XSS) issues.

Record
CVE-2009-3724
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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

python-markdown2 before 1.0.1.14 has multiple cross-site scripting (XSS) issues.

Record
CVE-2009-3724
Updated
2026-11-02
EUVDEUVD-2020-0104 No score

python-markdown2 before 1.0.1.14 has multiple cross-site scripting (XSS) issues.

Record
EUVD-2020-0104
Updated
2026-11-03
GitHub AdvisoriesGHSA-72cx-5ff9-4hhc 5.3

Cross-site scripting in markdown2 for python

python-markdown2 before 1.0.1.14 has multiple cross-site scripting (XSS) issues.

Record
GHSA-72cx-5ff9-4hhc
CVSS 4.0
5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness
CWE-79
Updated
2026-11-02
OSVGHSA-72cx-5ff9-4hhc 5.3

Cross-site scripting in markdown2 for python

python-markdown2 before 1.0.1.14 has multiple cross-site scripting (XSS) issues.

Record
GHSA-72cx-5ff9-4hhc
CVSS 4.0
5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness
CWE-79
Updated
2026-11-02
OSVPYSEC-2020-235 No score

python-markdown2 before 1.0.1.14 has multiple cross-site scripting (XSS) issues.

Record
PYSEC-2020-235
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
markdown2
PyPI
through 1.0.1.13
1.0.1.14
markdown2
PyPI
before 1.0.1.14, plus listed versions
1.0.1.101.0.1.111.0.1.121.0.1.131.0.1.61.0.1.71.0.1.81.0.1.9
1.0.1.14

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-2009-3724 is a medium vulnerability (CVSS 6.1) in Python-markdown2, published January 15, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.77%, the 55th percentile. Fixed in markdown2 1.0.1.14.

References

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