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CVE-2025-53923

Emlog cross-site scripting (XSS)

8.2 HIGHPublic exploitEPSS 0.38%
  1. Published16 Jul 2025

Description

Emlog is an open source website building system. A cross-site scripting (XSS) vulnerability in emlog up to and including pro-2.5.17 allows remote attackers to inject arbitrary web script or HTML via the keyword parameter. Due to lack of sanitization it is possible to inject HTML/JS code into keyword parameter. If one persuades an user into clicking into prepared link it is possible to execute any JS code in admin's browser. As of time of publication, no known patched versions exist.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeChanged
ConfidentialityHigh
IntegrityLow
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N

Affected products

Emlog≤ 2.5.17

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2025-53923 being actively exploited?

CVE-2025-53923 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.38%.

How severe is CVE-2025-53923?

CVE-2025-53923 has a CVSS 3.1 base score of 8.2, rated high. EPSS estimates a 0.38% probability of exploitation.

Which products are affected by CVE-2025-53923?

Affected products include Emlog.

How do I fix CVE-2025-53923?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-53923 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.