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CWE-80: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Weakness Summary
The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages.
- Canonical source: MITRE CWE-80 (opens in a new tab)
- Published Atomicorp CVE observations: 13
- Distinct affected products in those observations: 12
- Active Atomicorp rules associated with this weakness: 17
Atomicorp Research Context
Atomicorp has published CVE-specific research observations associated with this weakness category. Each linked CVE page states whether the tested request was detected or blocked and is the authoritative customer-facing finding.
The CVEs and rules shown here are selected published examples, not a complete list of Atomicorp protections. If a CWE, CVE, or rule is absent from this page, no conclusion should be drawn about whether Atomicorp protects against that weakness or attack method.
A CWE describes a class of software weakness. It does not identify one exploit request, and association with a CWE does not mean that every vulnerability or exploitation path in that category is detected or blocked.
Selected Published CVE Observations
| CVE | Vulnerability | Product | Atomicorp finding | Observed rules |
|---|---|---|---|---|
| CVE-2024-58355 | Cal.com through 4.7.15 Cross-Site Scripting via booking questions | cal.diy | Attack Blocked by Atomicorp | 333140 , 333141 , 340087 , 340095 , 340099 , 340147 , 340148 , 341099 , 341256 , 341266 , 342259 , 346755 , 350147 , 350148 |
| CVE-2026-39344 | Reflected XSS the login page through the 'username' parameter | churchcrm | Attack Blocked by Atomicorp | 333140 , 333141 , 340087 , 340095 , 340099 , 340147 , 340148 , 341099 , 341256 , 341266 , 342259 , 346755 , 350147 , 350148 |
| CVE-2025-66472 | XWiki DeleteApplication - Cross-Site Scripting | xwiki | Attack Blocked by Atomicorp | 346755 |
| CVE-2026-24128 | XWiki Platform Distribution Flavor Main - Cross-Site Scripting | xwiki-platform-distribution-flavor-main | Attack Blocked by Atomicorp | 333141 , 340099 , 340147 , 340148 , 341099 , 341256 , 342259 , 346755 , 347198 , 350148 |
| CVE-2026-40105 | XWiki - Cross-Site Scripting | xwiki-platform | Attack Blocked by Atomicorp | 340147 , 340148 , 341256 , 341266 , 342259 , 346755 , 350147 , 350148 |
| CVE-2023-44393 | Piwigo - Cross-Site Scripting | piwigo | Attack Blocked by Atomicorp | 341266 , 346755 |
| CVE-2024-41810 | Twisted - Open Redirect & XSS | twisted | Attack Blocked by Atomicorp | 340147 , 340148 , 341256 , 341266 , 342259 , 346755 , 350147 , 350148 |
| CVE-2024-4439 | WordPress Core <6.5.2 - Cross-Site Scripting | WordPress | Detected by Atomicorp | 377360 |
| CVE-2025-54589 | Copyparty <=1.18.6 - Cross-Site Scripting | copyparty | Attack Blocked by Atomicorp | 340147 , 340148 , 341256 , 341266 , 342259 , 346755 , 350147 , 350148 |
| CVE-2026-50229 | Apache Tomcat - Cross-Site Scripting | tomcat | Attack Blocked by Atomicorp | 340147 , 340148 , 341256 , 341266 , 342259 , 346755 , 350148 |
| CVE-2026-52773 | YesWiki Archived Revision - Cross-Site Scripting | yeswiki | Attack Blocked by Atomicorp | 340147 , 340148 |
| CVE-2026-52774 | YesWiki Bazar Widget - Reflected XSS via 'id' Parameter | yeswiki | Attack Blocked by Atomicorp | 333141 , 340149 , 341256 , 342259 , 346755 , 350148 |
| CVE-2026-34246 | CtrlPanel: Stored XSS in Admin Role Management via Unescaped DataTable HTML Output | panel | Attack Blocked by Atomicorp | 333140 , 333141 , 340095 , 340147 , 340148 , 342259 , 346755 |
Associated Atomicorp WAF Rules
| Rule | Status | Behavior |
|---|---|---|
| 333140 | Active | disruptive (deny) |
| 333141 | Active | disruptive (deny) |
| 340087 | Active | disruptive (deny) |
| 340095 | Active | disruptive (deny) |
| 340099 | Active | disruptive (deny) |
| 340147 | Active | disruptive (deny) |
| 340148 | Active | disruptive (deny) |
| 340149 | Active | disruptive (deny) |
| 341099 | Active | disruptive (deny) |
| 341256 | Active | disruptive (deny) |
| 341266 | Active | disruptive (deny) |
| 342259 | Active | disruptive (deny) |
| 346755 | Active | disruptive (deny) |
| 347198 | Active | disruptive (deny) |
| 350147 | Active | disruptive (deny) |
| 350148 | Active | disruptive (deny) |
| 377360 | Active | non-disruptive (pass) |
Related MITRE CAPEC Context
MITRE associates this CWE with the following attack-pattern entries. These taxonomy relationships are context, not Atomicorp coverage claims:
CAPEC-18 (opens in a new tab) , CAPEC-193 (opens in a new tab) , CAPEC-32 (opens in a new tab) , CAPEC-86 (opens in a new tab)