CVE-2024-12846Public exploitNetwork attack vector

Stored XSS via unsanitized link parameters

Published Dec 21, 2024 · Updated Dec 27, 2024

Stored XSS in /admin/link.php in emlog Pro 2.4.0 through 2.4.1 allows context-dependent attackers to execute script in an administrator's browser. The save action accepts siteurl and icon values containing HTML without neutralization, stores them, and later renders the injected markup. Exploitation requires an administrator to visit attacker-controlled HTML that submits the crafted values with the administrator's cookie, enabling script execution and session-cookie disclosure.

CVSS severity6.9
Medium
EPSS probability0.41%
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 /admin/link.php in emlog Pro 2.4.0 through 2.4.1 allows context-dependent attackers to execute script in an administrator's browser. The save action accepts siteurl and icon values containing HTML without neutralization, stores them, and later renders the injected markup. Exploitation requires an administrator to visit attacker-controlled HTML that submits the crafted values with the administrator's cookie, enabling script execution and session-cookie disclosure.

The record

CVE
CVE-2024-12846
Published
Dec 21, 2024
Updated
Dec 27, 2024
Vendor
emlog
Product
emlog Pro
Classifications
CWE-79, CWE-94, T1539
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 21, 2024CVE publishedPublication date reported by the CVE source.
  2. Dec 27, 2024Record 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=2.4.0
  2. Affected versionversion=2.4.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

emlog · emlog Proversion=2.4.0; version=2.4.1

Published CVSS scores

6.9VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
4.3VulDBCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
4.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:R/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.

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-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-94Improper Control of Generation of Code ('Code Injection')
T1539Steal Web Session Cookie

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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