CVE-2021-29387: Multiple stored cross-site scripting (XSS) vulnerabilities in Sourcecodester Equipment Inventory System 1.0 al

Routine

MEDIUM 5.4DOWNGRADE

CVE-2021-29387 is a medium-severity flaw (CVSS 5.4) affecting equipment inventory system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple stored cross-site scripting (XSS) vulnerabilities in Sourcecodester Equipment Inventory System 1.0 allow remote attackers to inject arbitrary javascript via any "Add" sections, such as Add Item , Employee and Position or others in the Name Parameters.

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	0.8% (top 44%)
CISA exploited list	No
Weakness	CWE-79
Published	2021-04-28
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: equipment inventory system project

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

Am I affected?

Timeline

2021-04-28 14:15 UTCPublished CVE record published
2026-06-17 03:47 UTCUpdated Record last modified

equipment inventory system project equipment inventory 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 equipment-inventory-system || rpm -q equipment-inventory-system || equipment-inventory-system --version

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

apt-cache madison equipment-inventory-system sudo apt install equipment-inventory-system=<VERSION_BEFORE_1.0> sudo apt-mark hold equipment-inventory-system

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

dnf --showduplicates list equipment-inventory-system sudo dnf downgrade equipment-inventory-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add equipment-inventory-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-2021-29387?

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

Is CVE-2021-29387 being exploited?

CVE-2021-29387 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-2021-29387 affect?

CVE-2021-29387 affects equipment inventory system. Severity is medium (CVSS 5.4). Multiple stored cross-site scripting (XSS) vulnerabilities in Sourcecodester Equipment Inventory System 1.0 allow remote attackers to inject arbitrary javascript via any "Add" sections, such as Add Item , Employee and Position or others in

How urgent is CVE-2021-29387?

Priority 38/100. Public exploit reference

References

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