CVE-2021-42597: A Cross Site Scripting (XSS) vulnerability exists in Sourcecodester Storage Unit Rental Management System PHP

Routine

MEDIUM 5.4DOWNGRADE

CVE-2021-42597 is a medium-severity flaw (CVSS 5.4) affecting storage unit rental management system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A Cross Site Scripting (XSS) vulnerability exists in Sourcecodester Storage Unit Rental Management System PHP 8.0.10 , Apache 2.4.14, SURMS V 1.0 via the Add New Tenant List Rent List form.

Why this priority

No elevated risk signals yet

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	0.5% (top 58%)
CISA exploited list	No
Weakness	CWE-79
Published	2022-09-16
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: storage unit rental 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

2022-09-16 17:15 UTCPublished CVE record published
2026-06-17 04:09 UTCUpdated Record last modified

storage unit rental management system project storage unit rental 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 storage-unit-rental-management-system || rpm -q storage-unit-rental-management-system || storage-unit-rental-management-system --version

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

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

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

dnf --showduplicates list storage-unit-rental-management-system sudo dnf downgrade storage-unit-rental-management-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add storage-unit-rental-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-2021-42597?

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

Is CVE-2021-42597 being exploited?

CVE-2021-42597 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-2021-42597 affect?

CVE-2021-42597 affects storage unit rental management system. Severity is medium (CVSS 5.4). A Cross Site Scripting (XSS) vulnerability exists in Sourcecodester Storage Unit Rental Management System PHP 8.0.10 , Apache 2.4.14, SURMS V 1.0 via the Add New Tenant List Rent List form.

How urgent is CVE-2021-42597?

Priority 29/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

Related CVEs

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CVE-2023-1559 MEDIUM 4.7 DOWNGRADE A vulnerability classified as problematic was found in SourceCodester Storage Unit Rental Management System 1.

References

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