CVE-2020-35328: Courier Management System 1.0 - 'First Name' Stored XSS

Routine

MEDIUM 5.4DOWNGRADE

CVE-2020-35328 is a medium-severity flaw (CVSS 5.4) affecting courier management system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Courier Management System 1.0 - 'First Name' Stored XSS

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.7% (top 47%)
CISA exploited list	No
Weakness	CWE-79
Published	2021-03-04
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: courier management system project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-03-04 16:15 UTCPublished CVE record published
2026-06-17 03:13 UTCUpdated Record last modified

courier management system project courier management system DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy courier-management-system || rpm -q courier-management-system || courier-management-system --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison courier-management-system sudo apt install courier-management-system=<VERSION_BEFORE_1.0> sudo apt-mark hold courier-management-system

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list courier-management-system sudo dnf downgrade courier-management-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add courier-management-system

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-35328?

courier management system: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-35328 being exploited?

CVE-2020-35328 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-35328 affect?

CVE-2020-35328 affects courier management system. Severity is medium (CVSS 5.4). Courier Management System 1.0 - 'First Name' Stored XSS

How urgent is CVE-2020-35328?

Priority 37/100. Public exploit reference

Related CVEs

CVE-2025-9757 HIGH 7.3 DOWNGRADE A vulnerability was determined in Campcodes/SourceCodester Courier Management System 1.0
CVE-2025-9759 HIGH 7.3 DOWNGRADE A security flaw has been discovered in Campcodes/SourceCodester Courier Management System 1.0
CVE-2025-13396 MEDIUM 6.3 DOWNGRADE A weakness has been identified in code-projects Courier Management System 1.0
CVE-2025-11553 MEDIUM 6.3 DOWNGRADE A weakness has been identified in code-projects Courier Management System 1.0
CVE-2025-12316 HIGH 7.3 DOWNGRADE A vulnerability was identified in code-projects Courier Management System 1.0

References

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