CVE-2025-10332Public exploitNetwork attack vector

Stored script execution via unescaped bookmark titles

Published Sep 13, 2025 · Updated Sep 13, 2025

Stored XSS in Colin Devroe Unmark 1.9.0 through 1.9.3 allows remote authenticated users to execute script through a saved bookmark. Marks.php stores a title retrieved from a user-supplied URL without filtering, and info.php prints the title without HTML escaping. An authenticated account must add the crafted URL, and execution occurs only when a user opens the resulting bookmark details page.

CVSS severity5.4
Medium
EPSS probability0.26%
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 Colin Devroe Unmark 1.9.0 through 1.9.3 allows remote authenticated users to execute script through a saved bookmark. Marks.php stores a title retrieved from a user-supplied URL without filtering, and info.php prints the title without HTML escaping. An authenticated account must add the crafted URL, and execution occurs only when a user opens the resulting bookmark details page.

The record

CVE
CVE-2025-10332
Published
Sep 13, 2025
Updated
Sep 13, 2025
Vendor
Colin Devroe
Product
Unmark
Classifications
CWE-79, CWE-94, T1203
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 13, 2025CVE publishedPublication date reported by the CVE source.
  2. Sep 13, 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 privilegesauthenticated

What is affected?

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

Published CVSS scores

5.4NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
2.0VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
4.0VulDBAV:N/AC:L/Au:S/C:N/I:P/A:N
3.5VulDBCVSS:3.1/AV:N/AC:L/PR:L/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-94Improper Control of Generation of Code ('Code Injection')
T1203Exploitation for Client Execution

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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