What’s Vulnerable › Vulnerabilities

CVE-2025-15375: EyouCMS arcpagelist Ajax.php unserialize deserialization

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-12-31 · updated 2026-06-17
• Weakness: CWE-20

Description

A flaw has been found in EyouCMS up to 1.7.7. The impacted element is the function unserialize of the file application/api/controller/Ajax.php of the component arcpagelist Handler. Executing a manipulation of the argument attstr can lead to deserialization. The attack can be launched remotely. The exploit has been published and may be used. The vendor is "[a]cknowledging the existence of the vulnerability, we have completed the fix and will release a new version, v1.7.8".

Affected products

• EyouCMS: before 1.7.8 — fixed in 1.7.8

How to fix

Upgrade to a fixed version: EyouCMS 1.7.8. Check the vendor advisory for mitigations.

References

• https://note-hxlab.wetolink.com/share/2wLgcbKe9Toh
• https://note-hxlab.wetolink.com/share/2wLgcbKe9Toh#-span--strong-proof-of-concept---strong---span-
• https://vuldb.com/?ctiid.339083
• https://vuldb.com/?id.339083
• https://vuldb.com/?submit.718481
• https://note-hxlab.wetolink.com/share/2wLgcbKe9Toh
• https://note-hxlab.wetolink.com/share/2wLgcbKe9Toh#-span--strong-proof-of-concept---strong---span-

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