HT Mega Plugin up to 2.9.1 on WordPress CSS File save_block_css path traversal

Summaryinfo

A vulnerability, which was classified as critical, has been found in HT Mega Plugin up to 2.9.1 on WordPress. Impacted is the function save_block_css of the component CSS File Handler. The manipulation leads to path traversal. This vulnerability is traded as CVE-2025-8151. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in HT Mega Plugin up to 2.9.1 on WordPress and classified as critical. This issue affects the function save_block_css of the component CSS File Handler. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The HT Mega – Absolute Addons For Elementor plugin for WordPress is vulnerable to Path Traversal in all versions up to, and including, 2.9.1 via the 'save_block_css' function. This makes it possible for authenticated attackers, with Author-level access and above, to create CSS files in any directory, and delete CSS files in any directory in a Windows environment.

The advisory is shared at wordfence.com. The identification of this vulnerability is CVE-2025-8151. The exploitation is known to be easy. The attack may be initiated remotely. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/14/2025). MITRE ATT&CK project uses the attack technique T1006 for this issue.

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 the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• WordPress Plugin

Name

• HT Mega Plugin

Version

• 2.9.0
• 2.9.1

CPE 2.3info

• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion