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CVE-2026-81288— WordPress Upsell Order Bump Offer for WooCommerce plugin <= 3.1.5 - Cross Site Scripting (XSS) vulnerability

Quick assessment

Affected
WP Swings Upsell Order Bump Offer for WooCommerce
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress Upsell Order Bump Offer for WooCommerce是WordPress基金会开源的一款提供订单碰撞优惠功能的电商插件。 WordPress Upsell Order Bump Offer for WooCommerce 3.1.5及之前版本存在跨站脚本漏洞，该漏洞源于容易受到未经验证的跨站脚本攻击。

CVSS 7.1 · High EPSS 0.25% · P17

Possible ATT&CK Techniques 1 AI

T1189.002

Affected Version Matrix 1

VendorProduct Version RangeStatus
WP Swings Upsell Order Bump Offer for WooCommerce n/a≤ 3.1.5 affected
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I. Basic Information for CVE-2026-81288

Vulnerability Information
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
WordPress Upsell Order Bump Offer for WooCommerce plugin <= 3.1.5 - Cross Site Scripting (XSS) vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Unauthenticated Cross Site Scripting (XSS) in Upsell Order Bump Offer for WooCommerce <= 3.1.5 versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress Upsell Order Bump Offer for WooCommerce 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Upsell Order Bump Offer for WooCommerce是WordPress基金会开源的一款提供订单碰撞优惠功能的电商插件。 WordPress Upsell Order Bump Offer for WooCommerce 3.1.5及之前版本存在跨站脚本漏洞，该漏洞源于容易受到未经验证的跨站脚本攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
WP Swings Upsell Order Bump Offer for WooCommerce n/a ~ 3.1.5 -

II. Public POCs for CVE-2026-81288

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III. Intelligence Information for CVE-2026-81288

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Vendor Pages for CVE-2026-81288 (1)

IV. Related Vulnerabilities

Same product: Upsell Order Bump Offer for WooCommerce
Same vendor: WP Swings
Same weakness: CWE-79