CVE-2020-35396: EGavilan Barcodes generator 1.0 is affected by: Cross Site Scripting (XSS) via the index.php

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MEDIUM 6.1DOWNGRADE

CVE-2020-35396 is a medium-severity flaw (CVSS 6.1) affecting barcodes generator. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

EGavilan Barcodes generator 1.0 is affected by: Cross Site Scripting (XSS) via the index.php. An Attacker is able to inject the XSS payload in the web application each time a user visits the website.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.1% (top 33%)
CISA exploited list	No
Weakness	CWE-79
Published	2020-12-15
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: egavilanmedia

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

Am I affected?

Timeline

2020-12-15 16:15 UTCPublished CVE record published
2026-06-17 03:13 UTCUpdated Record last modified

egavilanmedia barcodes generator 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 barcodes-generator || rpm -q barcodes-generator || barcodes-generator --version

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

apt-cache madison barcodes-generator sudo apt install barcodes-generator=<VERSION_BEFORE_1.0> sudo apt-mark hold barcodes-generator

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

dnf --showduplicates list barcodes-generator sudo dnf downgrade barcodes-generator-<VERSION_BEFORE_1.0> sudo dnf versionlock add barcodes-generator

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-2020-35396?

barcodes generator: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-35396 being exploited?

CVE-2020-35396 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-2020-35396 affect?

CVE-2020-35396 affects barcodes generator. Severity is medium (CVSS 6.1). EGavilan Barcodes generator 1.0 is affected by: Cross Site Scripting (XSS) via the index.php. An Attacker is able to inject the XSS payload in the web application each time a user visits the website.

How urgent is CVE-2020-35396?

Priority 43/100. Public exploit reference

Software pages

PHP vulnerabilities

References

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