CVE-2025-53924Public exploitNetwork attack vector

Stored XSS via unsanitized link URL

Published Jul 16, 2025 · Updated Jul 18, 2025

Stored XSS in emlog pro-2.5.17 and earlier allows remote authenticated users to execute script in another user's browser via siteurl. The admin link-save handler stores a crafted siteurl value for insertion into a link without neutralizing executable markup. Administrator access is required to submit the value, and execution occurs only when another user clicks the created link.

CVSS severity6.9
Medium
EPSS probability0.27%
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 emlog pro-2.5.17 and earlier allows remote authenticated users to execute script in another user's browser via siteurl. The admin link-save handler stores a crafted siteurl value for insertion into a link without neutralizing executable markup. Administrator access is required to submit the value, and execution occurs only when another user clicks the created link.

The record

CVE
CVE-2025-53924
Published
Jul 16, 2025
Updated
Jul 18, 2025
Vendor
emlog
Product
emlog
Classifications
CWE-79, CWE-80, T1189
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jul 16, 2025CVE publishedPublication date reported by the CVE source.
  2. Jul 18, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

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

  1. Affected versionversion=<= pro-2.5.17

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

emlog · emlogversion=<= pro-2.5.17

Published CVSS scores

4.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
6.9GitHub, Inc.CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-80Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
T1189Drive-by Compromise

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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