How severe is CVE-2026-23900?

CVE-2026-23900 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-23900 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-23900?

CVE-2026-23900 affects Phoca Maps. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-23900?

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

Does CVE-2026-23900 have an EU (EUVD) identifier?

Yes. CVE-2026-23900 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21678.

When was CVE-2026-23900 published?

CVE-2026-23900 was published on 2026-04-11 and last updated on 2026-06-17.

CVE-2026-23900

CVE-2026-23900 is a medium-severity vulnerability in Phoca Maps 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% (16th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-21678
Weakness: CWE-79
Affected product: Phoca Maps
Published: 2026-04-11
Last modified: 2026-06-17

Description

Various stored XSS vulnerabilities in the maps- and icon rendering logic in Phoca Maps component 5.0.0-6.0.2 have been discovered.

Frequently asked questions

What is CVE-2026-23900?: Various stored XSS vulnerabilities in the maps- and icon rendering logic in Phoca Maps component 5.0.0-6.0.2 have been discovered.
How severe is CVE-2026-23900?: CVE-2026-23900 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-23900 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-23900?: CVE-2026-23900 affects Phoca Maps. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-23900?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-23900 have an EU (EUVD) identifier?: Yes. CVE-2026-23900 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21678.
When was CVE-2026-23900 published?: CVE-2026-23900 was published on 2026-04-11 and last updated on 2026-06-17.

References

https://phoca.cz/

Affected products (1)

cpe:2.3:a:phoca:maps:*:*:*:*:*:*:*:*

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