CVE-2026-78137: StoreGrowth: Smart Sales Booster for WooCommerce < 2.1.2 - Unauthenticated Arbitrary Price Manipulation via BOGO Add-to-Cart
Vulnerability summary
CVE-2026-78137 is a high (CVSS 7.5) Missing Authorization vulnerability in unknown storegrowth. EPSS estimates a 0.39% chance of exploitation in the next 30 days, higher than 31.7% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 2.1.2.
Timeline
- 27-08-2026PublishedVulnerability first disclosed.
- 27-08-2026Last modifiedVulnerability information updated.
Description
The StoreGrowth WordPress plugin before 2.1.2 does not validate a browser-supplied product price on two of its unauthenticated actions, allowing unauthenticated attackers to add a product to the cart at an arbitrary, attacker-chosen price that carries through to the checkout total when the BOGO offer feature is enabled.
CVSS metrics
3 scores · 3 sources · 1 version- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- wordfenceSource5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NDiffers
EPSS trend
Probability
0.39%
Chance of exploitation in the next 30 days
Percentile
32%
Versus all other CVEs
30-day change
Increase +0.11 pp
From 0.28% on 22-09-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
1 foundExploit Reference (wpscan.com)
Maturity: unknown
Weaknesses
CWE · root cause- CWE-862Missing AuthorizationThe product does not perform an authorization check when an actor attempts to access a resource or perform an action.
- CWE-602Client-Side Enforcement of Server-Side SecurityThe product is composed of a server that relies on the client to implement a mechanism that is intended to protect the server.
Affected systems
Unknown1 product
- storegrowth< 2.1.2
Wordpress1 product
- storegrowth-sales-booster< 2.1.2
2 vendors · 2 products