Softaculous SpeedyCache Plugin up to 1.4.2 on WordPress advanced-cache.php comment_author_*/comment_author_email_* information disclosure

Summaryinfo

A vulnerability was found in Softaculous SpeedyCache Plugin up to 1.4.2. It has been declared as problematic. The affected element is an unknown function of the file advanced-cache.php of the component Cache Handler. Such manipulation of the argument comment_author_*/comment_author_email_* leads to information disclosure. This vulnerability is traded as CVE-2026-104006. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Softaculous SpeedyCache Plugin up to 1.4.2. It has been rated as problematic. Affected by this issue is some unknown processing of the file advanced-cache.php of the component Cache Handler. The manipulation of the argument comment_author_*/comment_author_email_* with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. CVE summarizes:

The SpeedyCache – Cache, Optimization, Performance plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.4.2 via the 'comment_author_*, comment_author_email_*' parameter. This makes it possible for unauthenticated attackers to extract the full name and email address of returning commenters pre-filled into comment form input fields and persisted as the site-wide cached page by any unauthenticated attacker requesting the same public URL. The read-side handler in advanced-cache.php correctly skips cached delivery for requests carrying comment_author_* cookies, but this check is absent on the write path, meaning the cache poisoning is invisible to the victim commenter yet fully exploitable by any unauthenticated attacker with no cookies.

The advisory is available at wordfence.com. This vulnerability is handled as CVE-2026-104006 since 10/01/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 10/10/2026). This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

By approaching the search of inurl:advanced-cache.php it is possible to find vulnerable targets with Google Hacking.

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

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• WordPress Plugin

Vendor

• Softaculous

Name

• SpeedyCache Plugin

Version

• 1.4.0
• 1.4.1
• 1.4.2

CPE 2.3info

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CPE 2.2info

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If you want to get best quality of vulnerability data, you may have to visit VulDB.

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