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CWE-116: Improper Encoding or Escaping of Output
Weakness Summary
The product prepares a structured message for communication with another component, but encoding or escaping of the data is either missing or done incorrectly. As a result, the intended structure of the message is not preserved.
- Canonical source: MITRE CWE-116 (opens in a new tab)
- Published Atomicorp CVE observations: 10
- Distinct affected products in those observations: 10
- 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-2022-36446 | Webmin <1.997 - Authenticated Remote Code Execution | webmin | Attack Blocked by Atomicorp | 392301 |
| CVE-2026-54694 | NationalSecurityAgency/skills-service has Stored XSS via User Registration Enabling Admin Account Takeover | skills-service | Attack Blocked by Atomicorp | 333140 , 333141 , 340095 , 340147 , 340148 , 341256 , 342259 , 346755 , 350147 , 350148 |
| CVE-2026-12496 | Loytec LINX firmware: Unauthenticated stored XSS in OPC XML-DA server | LIP-ME20xC | Attack Blocked by Atomicorp | 333140 , 333141 , 340087 , 340095 , 340099 , 340147 , 340148 , 341099 , 341256 , 341266 , 342259 , 346755 , 350147 , 350148 |
| CVE-2024-38473 | Apache HTTP Server - ACL Bypass | Apache HTTP Server | Attack Blocked by Atomicorp | 390709 |
| CVE-2021-34630 | GTranslate < 2.8.65 - Cross-Site Scripting | gtranslate | Attack Blocked by Atomicorp | 340147 , 340148 , 341266 , 342259 , 346755 , 350147 , 350148 |
| CVE-2026-26028 | CryptPad: Sanitizer Bypass in Diffmarked.js Allows Arbitrary HTML Injection and Potential XSS | cryptpad | Attack Blocked by Atomicorp | 333140 , 333141 , 340095 , 340147 , 340148 , 341256 , 342259 , 346755 , 350147 , 350148 |
| CVE-2026-35208 | lichess.org has an Unsanitized Stream Title Injection on /streamer | lila | Attack Blocked by Atomicorp | 333140 , 333141 , 340087 , 340095 , 340099 , 340147 , 340148 , 341099 , 341256 , 341266 , 342259 , 346755 |
| CVE-2025-34141 | ETQ Reliance - Reflected XSS via SQLConverterServlet | reliance | Attack Blocked by Atomicorp | 333141 , 340099 , 340147 , 341099 , 342259 , 347198 |
| 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 |
| CVE-2026-59727 | Astro: Cross-site scripting via unescaped transition:* directive values on hydrated islands | astro | Attack Blocked by Atomicorp | 333140 , 333141 , 340095 , 340147 , 340148 , 341256 , 342259 , 346755 , 350147 , 350148 |
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) |
| 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) |
| 390709 | Active | disruptive (deny) |
| 392301 | Active | disruptive (deny) |
Related MITRE CAPEC Context
MITRE associates this CWE with the following attack-pattern entries. These taxonomy relationships are context, not Atomicorp coverage claims:
CAPEC-104 (opens in a new tab) , CAPEC-73 (opens in a new tab) , CAPEC-81 (opens in a new tab) , CAPEC-85 (opens in a new tab)