How severe is CVE-2025-70091?

CVE-2025-70091 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-70091 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-70091?

CVE-2025-70091 affects Opensourcepos Open Source Point Of Sale. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-70091?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-70091 have an EU (EUVD) identifier?

Yes. CVE-2025-70091 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-207539.

When was CVE-2025-70091 published?

CVE-2025-70091 was published on 2026-02-13 and last updated on 2026-06-17.

CVE-2025-70091

CVE-2025-70091 is a medium-severity vulnerability in Opensourcepos Open Source Point Of Sale with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-207539
Weakness: CWE-79
Affected product: Opensourcepos Open Source Point Of Sale
Published: 2026-02-13
Last modified: 2026-06-17

Description

A cross-site scripting (XSS) vulnerability in the Customers function of OpenSourcePOS v3.4.1 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the Phone Number parameter.

Frequently asked questions

What is CVE-2025-70091?: A cross-site scripting (XSS) vulnerability in the Customers function of OpenSourcePOS v3.4.1 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the Phone Number parameter.
How severe is CVE-2025-70091?: CVE-2025-70091 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-70091 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-70091?: CVE-2025-70091 affects Opensourcepos Open Source Point Of Sale. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-70091?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-70091 have an EU (EUVD) identifier?: Yes. CVE-2025-70091 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-207539.
When was CVE-2025-70091 published?: CVE-2025-70091 was published on 2026-02-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:opensourcepos:open_source_point_of_sale:3.4.1:*:*:*:*:*:*:*

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