CVE-2015-0299: Multiple cross-site scripting (XSS) vulnerabilities in Open Source Point of Sale 2.3.1 allow remote authentica

Routine

MEDIUM 4.0DOWNGRADE

CVE-2015-0299 is a medium-severity flaw (CVSS 4.0) affecting open source point of sale. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple cross-site scripting (XSS) vulnerabilities in Open Source Point of Sale 2.3.1 allow remote authenticated users to inject arbitrary web script or HTML via unspecified vectors.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	4.0 (Medium)
EPSS exploit chance	1.3% (top 29%)
CISA exploited list	No
Weakness	CWE-79
Published	2015-09-29
Last modified	2026-06-17

Publisher (CNA): Red Hat, Inc. · Vendor: open source point of sale project

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

Am I affected?

Timeline

2015-09-29 19:59 UTCPublished CVE record published
2026-06-17 00:19 UTCUpdated Record last modified

open source point of sale project open source point of sale DOWNGRADE

Affected: 2.3.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.3.1

1. Check installed version

apt-cache policy open-source-point-of-sale || rpm -q open-source-point-of-sale || open-source-point-of-sale --version

2. No fixed release: DOWNGRADE to a release before 2.3.1 (Debian / Ubuntu)

apt-cache madison open-source-point-of-sale sudo apt install open-source-point-of-sale=<VERSION_BEFORE_2.3.1> sudo apt-mark hold open-source-point-of-sale

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

dnf --showduplicates list open-source-point-of-sale sudo dnf downgrade open-source-point-of-sale-<VERSION_BEFORE_2.3.1> sudo dnf versionlock add open-source-point-of-sale

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-2015-0299?

open source point of sale: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2015-0299 being exploited?

CVE-2015-0299 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-2015-0299 affect?

CVE-2015-0299 affects open source point of sale. Severity is medium (CVSS 4.0). Multiple cross-site scripting (XSS) vulnerabilities in Open Source Point of Sale 2.3.1 allow remote authenticated users to inject arbitrary web script or HTML via unspecified vectors.

How urgent is CVE-2015-0299?

Priority 32/100. No elevated risk signals yet.

Related CVEs

CVE-2025-66921 HIGH 7.2 DOWNGRADE A Cross-site scripting (XSS) vulnerability in Create/Update Item(s) Module in Open Source Point of Sale v3.4.1
CVE-2025-66923 HIGH 7.2 DOWNGRADE A Cross-site scripting (XSS) vulnerability in Create/Update Customer(s) in Open Source Point of Sale v3.4.1 al
CVE-2025-68147 HIGH 8.1 UPGRADE Open Source Point of Sale (opensourcepos) is a web based point of sale application written in PHP using CodeIg
CVE-2025-68434 HIGH 8.8 UPGRADE Open Source Point of Sale (opensourcepos) is a web based point of sale application written in PHP using CodeIg
CVE-2025-66924 MEDIUM 6.1 DOWNGRADE A Cross-site scripting (XSS) vulnerability in Create/Update Item Kit(s) in Open Source Point of Sale v3.4.1 al

References

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