Weakness · CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Input is echoed into a web page as script, running in other users' browsers with their session.
Official CWE name. Full definition on cwe.mitre.org
In the news
CVEs with this weakness that SecurityTabs has covered, newest first.
- CVE-2026-78557High 7.7
- CVE-2026-63351Medium 5.3
- CVE-2026-63352Medium 5.3
- CVE-2026-63353Critical 9.4
- CVE-2026-63354Critical 9.4
- CVE-2026-63355Medium 5.3
- CVE-2026-63356Medium 5.3
- CVE-2026-63357Medium 5.3
- CVE-2026-70279Microsoft Exchange Server 2016 Cumulative Update 23: Microsoft Exchange Server Spoofing VulnerabilityCritical 9.3
- CVE-2026-105269Satel Netco Design Cross-site ScriptingHigh 8.5
How attackers exploit it
Typical ATT&CK techniques for this class of weakness across CISA's Known Exploited Vulnerabilities (CTID mapping).
How it's exploited
What the attacker gets
Controls that stop it
NIST SP 800-53 controls that mitigate the most of those techniques.
- SI-4System MonitoringSystem and Information Integrity · mitigates 10 techniques
- CM-6Configuration SettingsConfiguration Management · mitigates 8 techniques
- SI-3Malicious Code ProtectionSystem and Information Integrity · mitigates 8 techniques
- AC-3Access EnforcementAccess Control · mitigates 7 techniques
- AC-6Least PrivilegeAccess Control · mitigates 7 techniques
- CA-7Continuous MonitoringSecurity Assessment and Authorization · mitigates 7 techniques
- CM-2Baseline ConfigurationConfiguration Management · mitigates 7 techniques
- SC-7Boundary ProtectionSystem and Communications Protection · mitigates 7 techniques
- AC-2Account ManagementAccess Control · mitigates 6 techniques
- AC-4Information Flow EnforcementAccess Control · mitigates 6 techniques
Weaknesses from each CVE's CVE Record (CWE, © MITRE). Techniques: MITRE ATT&CK®. Technique ↔ control and CVE ↔ technique links: Center for Threat-Informed Defense Mappings Explorer (NIST SP 800-53 rev5; CISA KEV). Plain-language explainers are SecurityTabs editorial.