XSS
45,021 CVEs across 249 months on the top 50 list since Feb 2005. Peak rank #1 in 113 months, last Jun 2026.
CWE-79 CVEs per month since Feb 2005
Oct 2021: 293 CVEs · rank #1Nov 2021: 227 CVEs · rank #1Dec 2021: 237 CVEs · rank #1Jan 2022: 234 CVEs · rank #1Feb 2022: 243 CVEs · rank #1Mar 2022: 310 CVEs · rank #1Apr 2022: 270 CVEs · rank #1May 2022: 298 CVEs · rank #1Jun 2022: 336 CVEs · rank #1Jul 2022: 230 CVEs · rank #1Aug 2022: 241 CVEs · rank #2Sep 2022: 252 CVEs · rank #2Oct 2022: 202 CVEs · rank #2Nov 2022: 294 CVEs · rank #1Dec 2022: 342 CVEs · rank #1Jan 2023: 268 CVEs · rank #1Feb 2023: 288 CVEs · rank #1Mar 2023: not on the top 50 that monthApr 2023: 412 CVEs · rank #1May 2023: 462 CVEs · rank #1Jun 2023: 363 CVEs · rank #1Jul 2023: 324 CVEs · rank #1Aug 2023: 410 CVEs · rank #1Sep 2023: 375 CVEs · rank #1Oct 2023: 419 CVEs · rank #1Nov 2023: 418 CVEs · rank #1Dec 2023: 566 CVEs · rank #1Jan 2024: 447 CVEs · rank #1Feb 2024: 438 CVEs · rank #1Mar 2024: 795 CVEs · rank #1Apr 2024: 619 CVEs · rank #1May 2024: 669 CVEs · rank #1Jun 2024: 643 CVEs · rank #1Jul 2024: 528 CVEs · rank #1Aug 2024: 517 CVEs · rank #1Sep 2024: 414 CVEs · rank #1Oct 2024: 735 CVEs · rank #1Nov 2024: 824 CVEs · rank #1Dec 2024: 712 CVEs · rank #1Jan 2025: 1,069 CVEs · rank #1Feb 2025: 643 CVEs · rank #1Mar 2025: 854 CVEs · rank #1Apr 2025: 796 CVEs · rank #1May 2025: 607 CVEs · rank #1Jun 2025: 737 CVEs · rank #1Jul 2025: 483 CVEs · rank #1Aug 2025: 570 CVEs · rank #1Sep 2025: 696 CVEs · rank #1Oct 2025: 721 CVEs · rank #1Nov 2025: 432 CVEs · rank #1Dec 2025: 826 CVEs · rank #1Jan 2026: 627 CVEs · rank #1Feb 2026: 678 CVEs · rank #1Mar 2026: 765 CVEs · rank #1Apr 2026: 620 CVEs · rank #1May 2026: 601 CVEs · rank #1Jun 2026: 663 CVEs · rank #1Jul 2026: 765 CVEs · rank #2Aug 2026: 769 CVEs · rank #2Sep 2026 so far: 728 CVEs · rank #1
Year by year
Each year's months on the top 50 list of weakness classes. Pick a year to read it in the lens.
The record
- Peak rank
- #1 in 113 months, last Jun 2026
- Busiest month
- Jan 2025, 1,069 CVEs
- First on the list
- Feb 2005
- On the top 50 list
- 240 of 260 monthly snapshots