CVE-2026-79311CWE-79cross-site-scripting

CVE-2026-79311

Medium · published September 22, 2026

CVSS v3.1
6.1
EPSS
0%
Percentile
8.0
In the wild
Unconfirmed
What it is

webpy web.py 0.76 is vulnerable to Cross Site Scripting (XSS) via render_jinja.__init__().

The record
Technical detail
CVSS v3.1
6.1 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00188 · 8.0th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-09-22T20:17Z
References (2)
https://github.com/lichoin/TraceLoom/blob/main/CVEs/CVE-2026-79311.md · [email protected]https://github.com/webpy/webpy · [email protected]
EPSS history
Timeline
  • 24 SEP 03:25Z
    EPSS moved — → 0%
    epss
  • 22 SEP 00:00Z
    webpy web.py 0.76 is vulnerable to Cross Site Scripting (XSS) via render_jinja.__init__()
    cvelistv5