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MEDIUM severity

CVE-2014-3995 — djblets

MEDIUMFix: djblets/djblets@50000d0

CVE-2014-3995 is a medium-severity (CVSS 6.1) Cross-site Scripting (XSS) vulnerability in djblets. 1 public exploit or proof-of-concept reference is indexed, so weaponization risk is real. A fix is available for djblets — see the affected versions and patch details below.

Djblets Cross-site scripting Vulnerability

Also known asPYSEC-2014-79
Published
Updated
Affected
2 pkgs
Patched
2 / 2
Exploits
1 known
Exploitation data as of Nov 8, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
2.1%probability of exploitation in next 30 days
Lower Risk-0.01%
Lower risk than most CVEs82th percentile — riskier than 82% of all scored CVEsHighest risk
0.00%0.87%1.74%2.61%0.4%2.1%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

2 pkgs affected
🐍djblets🐍djblets

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects PyPI packages — download data is not available via public APIs for these ecosystems.

Description

A cross-site scripting (XSS) vulnerability in gravatars/templatetags/gravatars.py in Djblets before 0.7.30 and 0.8.x before 0.8.3 for Django allows remote attackers to inject arbitrary web script or HTML via a user display name.

Affected Packages

2 total 2 fixed
EcosystemPackageVulnerable rangeFix
🐍PyPIdjbletsall versions0.7.30pip install --upgrade 'djblets==0.7.30'
🐍PyPIdjblets≥ 0.8&&< 0.8.30.8.3pip install --upgrade 'djblets==0.8.3'

Affected Products

1 product · 5 configurations
Application
djbletsreviewboard
≤ 0.7.29
4 versions
0.7.270.7.280.8.10.8.2
Exploits & PoCs
1

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

Cross-site scripting (XSS) vulnerability in gravatars/templatetags/grava…

github.comNVDJun 2014

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for djblets, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update djblets to 0.7.30 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2014-3995 is resolved across your whole dependency graph.

  3. Workarounds

    Escape or sanitise the affected output on the server side rather than relying on client-side filtering, and add a Content-Security-Policy that blocks inline script execution so injected markup cannot run even if it reaches the page.

Frequently Asked Questions

A cross-site scripting (XSS) vulnerability in `gravatars/templatetags/gravatars.py` in Djblets before 0.7.30 and 0.8.x before 0.8.3 for Django allows remote attackers to inject arbitrary web script or HTML via a user display name.
O3 Security · Impact-Aware SCA

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CVE-2014-3995: djblets XSS — Fixed in 0.7.30