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CVE-2021-3994

30
FAUCET Score

CVE-2021-3994 is a critical Cross-site Scripting (XSS) vulnerability affecting django-helpdesk. This flaw allows an unauthenticated attacker to inject malicious scripts into web pages, leading to high impact on confidentiality, integrity, and availability. While the vulnerability has a CVSS score of 9.6, indicating a severe risk, there is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.3.2CPE matchmatch criteria
cpe:2.3:a:django-helpdesk_project:django-helpdesk:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.35%
Probability of exploitation in next 30 days
EPSS Percentile
68.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0135 is in the 75th percentile among its peer group of 834 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.8 Bluesky, 0.5 Mastodon, and 1.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
pippatch availablevia ghsa
Product: django-helpdeskFixed in: 0.3.2

Vendor Advisories (1)

pipGHSA-2v5j-q74q-r53fhigh

django-helpdesk is vulnerable to Cross-site Scripting

Dec 3, 2021

References

github.com / django-helpdesk/django-helpdesk/commit/a22eb0673fe0b7784f99c6b5fd343b64a6700f06
PatchThird Party Advisory
huntr.dev / bounties/be7f211d-4bfd-44fd-91e8-682329906fbd
ExploitPatchThird Party Advisory