CVE-2026-129156

DjangoBlog commit d186b1c through 6134ed6 Stored XSS via Comment Reactions

Published Nov 13, 2026 CVSS 4.0 · 5.1 Medium EPSS n/a KEV · Not listed

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

liangliangyy

DjangoBlog

unaffected

Version	Status	Constraints
`d186b1c53bac400a0c8a840f62a121d59880fe97`	affected	≤ 6134ed63079de676b271af31de4dd40264d17c52

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Advisories

No advisories available

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact Low

Subsequent System Integrity Impact Low

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/liangliangyy/DjangoBlog/blob/6134ed63079de676b271af31de4dd40264d17c52/blog/templatetags/blog_tags.py#L162-L164
https://github.com/liangliangyy/DjangoBlog/blob/6134ed63079de676b271af31de4dd40264d17c52/oauth/views.py#L102-L112
https://github.com/liangliangyy/DjangoBlog/blob/6134ed63079de676b271af31de4dd40264d17c52/templates/comments/tags/comment_item_modern.html#L76
https://github.com/liangliangyy/DjangoBlog/issues/1030
https://vul.yulun.ac.cn/20261101/djangoblog/
https://www.vulncheck.com/advisories/djangoblog-commit-d186b1c-through-6134ed6-stored-xss-via-comment-reactions

History

Nov 13, 2026 5:30 PM Description updated. Title updated. Weaknesses updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
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.
Title		DjangoBlog commit d186b1c through 6134ed6 Stored XSS via Comment Reactions
Weaknesses		CWE-79
References		https://github.com/liangliangyy/DjangoBlog/blob/6134ed63079de676b271af31de4dd40264d17c52/blog/templatetags/blog_tags.py#L162-L164 https://github.com/liangliangyy/DjangoBlog/blob/6134ed63079de676b271af31de4dd40264d17c52/oauth/views.py#L102-L112 https://github.com/liangliangyy/DjangoBlog/blob/6134ed63079de676b271af31de4dd40264d17c52/templates/comments/tags/comment_item_modern.html#L76 https://github.com/liangliangyy/DjangoBlog/issues/1030 https://vul.yulun.ac.cn/20261101/djangoblog/ https://www.vulncheck.com/advisories/djangoblog-commit-d186b1c-through-6134ed6-stored-xss-via-comment-reactions
Metrics		cvssV3_1 `{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'}` cvssV4_0 `{'score': 5.1, 'vector': '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'}`