How severe is CVE-2014-3840?

No CVSS score has been assigned to CVE-2014-3840 yet. Review the advisory details and affected package list to assess your exposure.

Which packages are affected by CVE-2014-3840?

CVE-2014-3840 affects the following packages: mayan-edms (PyPI). Ecosystems affected: PyPI.

How do I fix CVE-2014-3840?

No patched version of mayan-edms has shipped for CVE-2014-3840 yet. Where your build allows, override or pin the dependency away from the vulnerable range, and apply any maintainer-recommended mitigation.

How do I detect CVE-2014-3840 in my PyPI dependencies?

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

How do I mitigate CVE-2014-3840 if there is no patch (or I can't update yet)?

If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

How does O3 Security protect against CVE-2014-3840?

O3 Security's impact-aware SCA analyses which vulnerable code paths your application actually calls, so a match like CVE-2014-3840 can be triaged on real exposure rather than presence alone.

Is CVE-2014-3840 actively exploited in the wild?

Yes. There are 3 known exploit references for CVE-2014-3840, including 1 documented proof-of-concept exploit on Exploit-DB and 2 in-the-wild exploitations observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2014-3840?

CVE-2014-3840 has an EPSS (Exploit Prediction Scoring System) score of 3.5%, placing it in the 89th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score indicates relatively lower exploitation probability, though the CVSS severity should still guide your patching priority.

What type of vulnerability is CVE-2014-3840?

CVE-2014-3840 is classified as Cross-site Scripting (XSS) (CWE-79). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation. This is a high-impact weakness class that often enables remote code execution or data exposure.

When was CVE-2014-3840 published, and has it been updated?

CVE-2014-3840 was published on May 17, 2022 and was last updated on September 10, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

🐍 PyPI

Not in CISA KEV

CVE-2014-3840 — mayan-edms

Fix: mayan-edms/mayan-edms@398c480

CVE-2014-3840 is a Cross-site Scripting (XSS) vulnerability in mayan-edms. 3 public exploit references exist, so weaponization risk is real. No vendor fix is recorded yet; mitigation options are listed below.

Mayan EDMS multiple cross-site scripting (XSS) vulnerabilities

Published

May 17, 2022

Updated

Sep 10, 2026

Affected

1 pkg

Patched

See advisory

Exploits

3 known

Exploitation data as of Sep 21, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗

3.5%probability of exploitation in next 30 days

Lower Risk0.00%

Lower risk than most CVEs89th percentile — riskier than 89% of all scored CVEsHighest risk

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Real-World Exposure

1 pkg affected

🐍mayan-edms

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

Multiple cross-site scripting (XSS) vulnerabilities in apps/common/templates/calculate_form_title.html in Mayan EDMS 0.13 allow remote authenticated users to inject arbitrary web script or HTML via a (1) tag or the (2) title of a source in a Staging folder, (3) Name field in a bootstrap setup, or Title field in a (4) smart link or (5) web form.

Affected Packages

1 total

Ecosystem	Package	Vulnerable range	Fix
🐍PyPI	`mayan-edms`	all versions	No fix

Exploits & PoCs

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

EDB-33493webappsmultiple✓ Verified

Mayan-EDms Web-Based Document Management OS System - Multiple Persistent Cross-Site Scripting Vulnerabilities

by Dolev Farhi · May 24, 2014

Exploit-DB Source

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for mayan-edms, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Remediation status
No patched version of mayan-edms has shipped for CVE-2014-3840 yet. Where your build allows, override or pin the dependency away from the vulnerable range, and apply any maintainer-recommended mitigation.
Mitigate without a patch
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.
How O3 protects you
O3 Security's impact-aware SCA analyses which vulnerable code paths your application actually calls, so a match like CVE-2014-3840 can be triaged on real exposure rather than presence alone.

Tailored to CVE-2014-3840. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

O3 Security · Impact-Aware SCA

Is CVE-2014-3840 in your dependencies?

O3 Security finds CVE-2014-3840 across PyPI dependencies, including transitive ones, and its impact-aware SCA ranks findings by whether your code actually calls the vulnerable path.

Scan my dependencies How O3 SCA works

CVE-2014-3840 — mayan-edms

EPSS Exploitation Probability

Real-World Exposure

Description

Affected Packages

Detection & mitigation playbook

Detect

Remediation status

Mitigate without a patch

How O3 protects you

Frequently Asked Questions

Is CVE-2014-3840 in your dependencies?