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PatchSiren cyber security CVE debrief

CVE-2025-15672 ChamaWP CVE debrief

The ChamaWP WordPress plugin before 1.0.13 does not properly validate user input before passing it to a PHP deserialization function, allowing unauthenticated attackers to inject arbitrary PHP objects, which could lead to remote code execution when a suitable gadget chain is present via other installed code. This vulnerability is related to insecure deserialization practices within the plugin. The lack of proper input validation can lead to significant security risks, including potential remote code execution. Organizations should verify their inventory and apply the vendor's remediation to address this issue. Evidence is limited, but defenders should review system logs for suspicious activity and ensure that all instances of the plugin are updated to a secure version. Additionally, security teams should prioritize remediation efforts and assess their exposure to prevent exploitation.

Vendor
ChamaWP
Product
ChamaWP WordPress plugin
CVSS
Unknown
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-03
Original CVE updated
2026-08-03
Advisory published
2026-08-03
Advisory updated
2026-08-03

Who should care

Users of the ChamaWP WordPress plugin should verify their inventory and apply the vendor's remediation. Additionally, security teams and vulnerability management teams should be aware of this vulnerability and prioritize remediation efforts. Organizations using the ChamaWP WordPress plugin should assess their exposure and take appropriate defensive measures to prevent exploitation. This includes reviewing system logs for suspicious activity and ensuring that all instances of the plugin are updated to a secure version.

Technical summary

The ChamaWP WordPress plugin before 1.0.13 does not properly validate user input before passing it to a PHP deserialization function. This allows unauthenticated attackers to inject arbitrary PHP objects, which could lead to remote code execution when a suitable gadget chain is present via other installed code. The vulnerability is related to insecure deserialization practices within the plugin. Technical details are limited, but it is clear that the plugin's failure to validate user input properly can lead to significant security risks.

Defensive priority

Organizations using the ChamaWP WordPress plugin should verify their inventory and apply the vendor's remediation.

Recommended defensive actions

  • Verify inventory of ChamaWP WordPress plugin versions
  • Apply vendor's remediation for the plugin
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
  • Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed

Evidence notes

The evidence for this CVE is limited; primary official records indicate a deserialization vulnerability in the ChamaWP WordPress plugin. Defenders should verify the plugin version, review the vendor's advisory, and assess their inventory for potential exposure. The deserialization vulnerability could allow unauthenticated attackers to inject arbitrary PHP objects, potentially leading to remote code execution when a suitable gadget chain is present via other installed code. However, the exact scope and impact are not well-documented in public sources.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-03T07:16:37.123Z and has not been modified since then.