CVE-2026-12980— Post Snippets <= 4.2.4 - Contributor+ Stored XSS via Snippet Variable
Quick assessment
Affected
Unknown Post Snippets
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.
Post Snippets 插件在 4.2.4 版本及之前，未能正确转义插入到代码片段中的变量值，然后在输出时直接使用，导致具备“投稿者”及以上权限的用户可以注入任意 Web 脚本，当该内容被查看时，这些脚本将被执行。
Affected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Unknown | Post Snippets | ≤ 4.2.4 |
affected |
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I. Basic Information for CVE-2026-12980
Vulnerability Information
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Vulnerability Title
Post Snippets <= 4.2.4 - Contributor+ Stored XSS via Snippet Variable
Source: CVE Program / CVE List V5
Vulnerability Description
The Post Snippets WordPress plugin through 4.2.4 does not properly escape variable values substituted into snippets before outputting them, allowing users with the Contributor role and above to inject arbitrary web scripts that execute when the content is viewed.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Unknown | Post Snippets | 0 ~ 4.2.4 | - |
|
II. Public POCs for CVE-2026-12980
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Same Patch Batch · Unknown · 2026-10-11 · 63 CVEs total
| CVE-2026-84252 | click5 CRM add-on to WPForms <= 1.0.3 - Unauthenticated Arbitrary Options Update | |
| CVE-2026-103695 | Mobile Builder <= 1.4.2 - Unauthenticated SQLi via 'vendor_id' Parameter | |
| CVE-2026-104682 | Envira Gallery < 1.16.2 - Contributor Missing Authorization via Convert Gallery REST Route | |
| CVE-2026-104028 | Anton Extensions <= 1.2.2 - Unauthenticated Arbitrary File Upload to RCE | |
| CVE-2026-104680 | Envira Gallery < 1.16.2 - Multisite Subsite Admin+ Arbitrary Plugin Installation via Onboa | |
| CVE-2026-81155 | Robo Gallery < 5.2.6 - Author+ Stored XSS via Gallery Search Label | |
| CVE-2026-81154 | Robo Gallery < 5.2.6 - Author+ Stored XSS via Image Alt Text | |
| CVE-2026-81420 | Tcard WP <= 1.8.0 - Unauthenticated SQLi via group_id Parameter | |
| CVE-2026-81156 | Robo Gallery < 5.2.6 - Contributor+ Stored XSS via Gallery Settings | |
| CVE-2026-84251 | click5 CRM add-on to Ninja Forms <= 1.0.1 - Unauthenticated Arbitrary Options Update | |
| CVE-2026-81649 | Fundiin <= 3.4.0 - Unauthenticated Payment Gateway Settings Update and Credential Disclosu | |
| CVE-2026-84260 | click5 CRM add-on to Gravity Forms <= 1.0.3 - Unauthenticated Stored XSS via post_notifica | |
| CVE-2026-84259 | click5 CRM add-on to WPForms <= 1.0.3 - Unauthenticated Stored XSS via post_notifications | |
| CVE-2026-84253 | click5 CRM add-on to Gravity Forms <= 1.0.3 - Unauthenticated Arbitrary Options Update | |
| CVE-2026-84261 | click5 CRM add-on to Contact Form 7 <= 1.0.4 - Unauthenticated Stored XSS via post_notific | |
| CVE-2026-84254 | click5 CRM add-on to Contact Form 7 <= 1.0.4 - Unauthenticated Arbitrary Options Update | |
| CVE-2026-84258 | click5 CRM add-on to Ninja Forms <= 1.0.1 - Unauthenticated Stored XSS via post_notificati | |
| CVE-2026-84737 | Freeton WP <= 1.0.0 - Unauthenticated Account Takeover via 'secod' Parameter | |
| CVE-2026-84734 | Mindstien Quick Login <= 1.0 - Unauthenticated Administrator Account Takeover via 'mql_pas | |
| CVE-2026-85121 | Insurify <= 1.0 - Unauthenticated Arbitrary Option Creation and Overwrite via saveemailtem |
Showing top 20 of 63 CVEs. View all on vendor page → →
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V. Comments for CVE-2026-12980
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