Is CVE-2025-5499 actively exploited?

No active exploitation of CVE-2025-5499 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2025-5499 be exploited remotely?

Yes. CVE-2025-5499 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2025-5499?

CVE-2025-5499 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2025-5499

CWE-20Published: June 3, 2025· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

A vulnerability classified as critical has been found in slackero phpwcms up to 1.9.45/1.10.8. Affected is the function is_file/getimagesize of the file image_resized.php. The manipulation of the argument imgfile leads to deserialization. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 1.9.46 and 1.10.9 is able to address this issue. It is recommended to upgrade the affected component.

NVD Source

Risk Analysis

A critical deserialization vulnerability exists in phpwcms that can be triggered remotely by manipulating image file inputs. This flaw could allow an attacker to execute arbitrary code on the host server.

Public exploit code is available for this vulnerability, though it is not currently in the CISA KEV catalog.

Recommended Action

Upgrade phpwcms to version 1.9.46 or 1.10.9 to resolve the issue.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2025-5499 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.