Datasolution AcyMailing Extension/AcyMailing Plugin 6.0.0-11.1.1 information disclosure

Summaryinfo

A vulnerability identified as problematic has been detected in Datasolution AcyMailing Extension and AcyMailing Plugin 6.0.0-11.1.1. Affected by this issue is some unknown functionality. This manipulation causes information disclosure. The identification of this vulnerability is CVE-2026-118495. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in Datasolution AcyMailing Extension and AcyMailing Plugin 6.0.0-11.1.1 and classified as problematic. Affected by this vulnerability is some unknown functionality. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

Joomla / WordPress Extension - acymailing.com - Exposure of sensitive information to an unauthorized actor in AcyMailing 6.0.0 - 11.1.1 - Exposure of sensitive information to an unauthorized actor in AcyMailing 6.0.0 through 11.1.1. An unauthenticated attacker who knows a subscriber's email address can read that subscriber's record, including the per-subscriber secret key that authorises the subscription management links. Holding that key, the attacker can act as that subscriber on those endpoints, which includes triggering the GDPR data export and the GDPR account deletion where those options are enabled.

It is possible to read the advisory at acymailing.com. This vulnerability is known as CVE-2026-118495 since 10/28/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/12/2026). The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• Datasolution

Name

• AcyMailing Extension
• AcyMailing Plugin

Version

• 6.0.0-11.1.1

CPE 2.3info

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CPE 2.2info

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