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PatchSiren cyber security CVE debrief

CVE-2026-12425 PowerSchool CVE debrief

A Cross-Site Scripting (XSS) vulnerability, known as Improper Neutralization of Input During Web Page Generation, has been discovered in PowerSchool Employee Access Center version 23.10. This vulnerability allows an attacker to add JavaScript code after the login URL, which is then evaluated and executed in the context of the user.

Vendor
PowerSchool
Product
Employee Access Center
CVSS
MEDIUM 5.7
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-16
Original CVE updated
2026-06-26
Advisory published
2026-06-16
Advisory updated
2026-06-26

Who should care

Users of PowerSchool Employee Access Center version 23.10 should be aware of this vulnerability and take necessary precautions to protect themselves.

Technical summary

The vulnerability has a CVSS score of 5.7 and a severity rating of MEDIUM. The CVSS vector is CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:L/VA:L/SC:H/SI:H/SA:H/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X.

Defensive priority

MEDIUM

Recommended defensive actions

  • Apply the necessary patches or updates to PowerSchool Employee Access Center version 23.10 to fix the vulnerability.
  • Use secure coding practices to prevent similar vulnerabilities in the future.
  • Monitor the system for any suspicious activity.

Evidence notes

The vulnerability was reported by an unknown vendor and has been documented in the CVE record and NVD detail pages.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-12425 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-12425

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

  • CVE-2026-12425 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-12425

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

Supplemental references

  • Source reference

    Unverified legacy reference

    URL: https://github.com/PaloAltoNetworks/u42-vulnerability-disclosures/blob/main/2026/PANW-2026-0002/PANW-2026-0002.md

    [email protected]

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.