CVE-2025-10330Public exploitNetwork attack vector

Reflected XSS via unencoded search query

Published Sep 12, 2025 · Updated Sep 15, 2025

Reflected XSS in Unmark 1.9.3 and earlier allows remote attackers to inject script through a crafted q parameter in a search URL. The search form places the q value into an HTML input attribute without neutralizing attribute-breaking markup, allowing the supplied script to enter the response. Exploitation requires a victim to open the crafted URL, after which the script executes in the victim's browser and can alter displayed application content.

CVSS severity6.1
Medium
EPSS probability0.42%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

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Summary

What happened

Reflected XSS in Unmark 1.9.3 and earlier allows remote attackers to inject script through a crafted q parameter in a search URL. The search form places the q value into an HTML input attribute without neutralizing attribute-breaking markup, allowing the supplied script to enter the response. Exploitation requires a victim to open the crafted URL, after which the script executes in the victim's browser and can alter displayed application content.

The record

CVE
CVE-2025-10330
Published
Sep 12, 2025
Updated
Sep 15, 2025
Vendor
Colin Devroe
Product
Unmark
Classifications
CWE-94, CWE-79, T1204.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 12, 2025CVE publishedPublication date reported by the CVE source.
  2. Sep 15, 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=1.9.0
  2. Affected versionversion=1.9.1
  3. Affected versionversion=1.9.2
  4. Affected versionversion=1.9.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Colin Devroe · Unmarkversion=1.9.0; version=1.9.1; version=1.9.2; version=1.9.3

Published CVSS scores

5.0VulDBAV:N/AC:L/Au:N/C:N/I:P/A:N
6.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
2.1VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
4.3VulDBCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-94Improper Control of Generation of Code ('Code Injection')
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1204.001Malicious Link

Public exploit references

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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