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PatchSiren cyber security CVE debrief

CVE-2026-23900 Phoca CVE debrief

CVE-2026-23900 is a stored XSS vulnerability in Phoca Maps component versions 5.0.0-6.0.2. The vulnerability exists in the maps- and icon rendering logic. Defenders managing Phoca Maps installations should assess exposure, prioritize remediation, and verify fixes. Successful exploitation requires user interaction with maliciously crafted maps or icons. User interaction with vulnerable maps or icons could lead to XSS attacks. Defenders should verify fixes and update to version above 6.0.2 if necessary. The CVE record and NVD entry provide details on the stored XSS vulnerabilities in Phoca Maps.

Vendor
Phoca
Product
Maps
CVSS
MEDIUM 6.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-04-11
Original CVE updated
2026-10-26
Advisory published
2026-04-11
Advisory updated
2026-10-26

Who should care

Defenders managing Phoca Maps installations should assess exposure and prioritize remediation. Successful exploitation requires user interaction with maliciously crafted maps or icons. User interaction with vulnerable maps or icons could lead to XSS attacks. Defenders should verify fixes and update to version above 6.0.2 if necessary. Security teams and vulnerability management teams should review the CVE record and

Why it matters

CVE-2026-23900 is a stored XSS vulnerability in Phoca Maps component versions 5.0.0-6.0.2. Defenders managing Phoca Maps installations should assess exposure, prioritize remediation, and verify fixes.

  • User interaction with vulnerable maps or icons could lead to XSS attacks
  • Successful exploitation requires user interaction with maliciously crafted maps or icons
  • Defenders should verify fixes and update to version above 6.0.2 if necessary

Technical summary

The Phoca Maps component versions 5.0.0-6.0.2 contain stored XSS vulnerabilities in the maps- and icon rendering logic. The vulnerabilities require user interaction with maliciously crafted maps or icons. Defenders should assess exposure and prioritize remediation for affected versions. The CVE record and NVD entry provide additional technical details on the vulnerabilities.

Defensive priority

Medium priority for Phoca Maps users

Recommended defensive actions

  • Assess exposure of Phoca Maps installations
  • Prioritize remediation for affected versions
  • Verify fixes and update to version above 6.0.2 if necessary

Evidence notes

The CVE record and NVD entry provide details on the stored XSS vulnerabilities in Phoca Maps component versions 5.0.0-6.0.2. Evidence is limited to public CVE and NVD information. Defenders should verify fixes and review official advisories for additional details. The vulnerabilities are in the maps- and icon rendering logic.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-23900 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-23900

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-23900 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-23900

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.