CVE-2026-129156

DjangoBlog commit d186b1c through 6134ed6 Stored XSS via Comment Reactions

  • Medium 5.4

Description

DjangoBlog commit d186b1c through commit 6134ed6 contains a stored cross-site scripting vulnerability that allows authenticated OAuth users to inject script via an unescaped nickname in comment reactions. Attackers can set their OAuth display name to a payload closing the single-quoted data-reactions attribute, then react to a comment to execute script in article visitors' browsers.

Key facts

Published
13 Nov 2026
Last changed
13 Nov 2026
Assigned by
VulnCheck
EPSS
0.276% likely to be exploited in the next 30 days, higher than 20.289% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: none; Automatable: no; Technical impact: partial

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 5.1CVSS 4.0, Mediumfrom the CNA (VulnCheck)CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
  • 5.4CVSS 3.1, Mediumfrom the CNA (VulnCheck)CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

No explicit remediation statement is available on this page yet. Consult the original record and vendor references before choosing a fix.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
liangliangyyDjangoBlog
  • Default status: unaffected
  • d186b1c53bac400a0c8a840f62a121d59880fe97 up to and including 6134ed63079de676b271af31de4dd40264d17c52 (affected)

Timeline

  1. 13 Nov 2026 Published

Weakness

Practice this bug class

HackZoneLabs has a hands-on lab on XSS (stored, reflected, DOM) (CWE-79).

References