CVE-2025-10490Network attack vector

Stored XSS via unsanitized admin settings

Published Sep 26, 2025 · Updated Sep 26, 2025

Stored XSS in Zephyr Project Manager 3.3.202 and earlier allows remote authenticated users to inject scripts through admin settings. Admin setting values are stored without sufficient input sanitization and later rendered without adequate output escaping, causing attacker-controlled scripts to execute on affected pages. Administrator access is required, and exposure is limited to WordPress multisite installations or sites where unfiltered_html is disabled.

CVSS severity4.4
Medium
EPSS probability0.20%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in Zephyr Project Manager 3.3.202 and earlier allows remote authenticated users to inject scripts through admin settings. Admin setting values are stored without sufficient input sanitization and later rendered without adequate output escaping, causing attacker-controlled scripts to execute on affected pages. Administrator access is required, and exposure is limited to WordPress multisite installations or sites where unfiltered_html is disabled.

The record

CVE
CVE-2025-10490
Published
Sep 26, 2025
Updated
Sep 26, 2025
Vendor
Dylan James
Product
Zephyr Project Manager
Classifications
CWE-79, T1203
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Sep 26, 2025CVE publishedPublication date reported by the CVE source.
  2. Sep 26, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=* <=3.3.202

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Dylan James · Zephyr Project Managerversion=* <=3.3.202

Published CVSS scores

4.4WordfenceCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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