wpsoul Greenshift Plugin up to 12.8.9 on WordPress gspb_update_global_wp_settings improper authorization

Summaryinfo

A vulnerability, which was classified as problematic, has been found in wpsoul Greenshift Plugin up to 12.8.9. This affects the function gspb_update_global_wp_settings. The manipulation leads to improper authorization. This vulnerability is referenced as CVE-2026-5093. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in wpsoul Greenshift Plugin up to 12.8.9. It has been rated as problematic. This issue affects the function gspb_update_global_wp_settings. The manipulation with an unknown input leads to a improper authorization vulnerability. Using CWE to declare the problem leads to CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. Impacted is integrity. The summary by CVE is:

The GreenShift – Animation and Page Builder Blocks plugin for WordPress is vulnerable to unauthorized modification of data in versions up to, and including, 12.8.9. This is due to a missing capability check on the 'gspb_update_global_wp_settings' function that only verifies the 'edit_posts' capability instead of requiring administrative privileges. This makes it possible for authenticated attackers, with contributor-level access and above, to modify global WordPress theme color settings site-wide, leading to site defacement.

The advisory is shared at wordfence.com. The identification of this vulnerability is CVE-2026-5093 since 03/29/2026. 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 08/22/2026). MITRE ATT&CK project uses the attack technique T1548.002 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

Vendor

• wpsoul

Name

• Greenshift Plugin

Version

• 12.8.0
• 12.8.1
• 12.8.2
• 12.8.3
• 12.8.4
• 12.8.5
• 12.8.6
• 12.8.7
• 12.8.8
• 12.8.9

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