DjangoBlog 2.0.0.0 through 2.1.0.0 contains a stored cross-site scripting vulnerability because the class_filter comment sanitizer passes event-handler attributes on span, div, pre and code tags. Authenticated commenters can post a div with autofocus and onfocus attributes, executing script without interaction for every visitor, including administrators.

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.

Affected Vendors & Products

No data.

No data.

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/liangliangyy/DjangoBlog/blob/55655f236308841e0e83f5b383b1c2056a0fb48c/blog/templatetags/blog_tags.py#L138-L141 cve-icon
https://github.com/liangliangyy/DjangoBlog/blob/55655f236308841e0e83f5b383b1c2056a0fb48c/djangoblog/utils.py#L248-L269 cve-icon
https://github.com/liangliangyy/DjangoBlog/issues/1030 cve-icon
https://vul.yulun.ac.cn/20261101/djangoblog/ cve-icon
https://www.vulncheck.com/advisories/djangoblog-2.0.0.0-through-2.1.0.0-stored-xss-via-comment-sanitizer-class-filter cve-icon
History

Fri, 13 Nov 2026 17:30:00 +0000

Type Values Removed Values Added
Description DjangoBlog 2.0.0.0 through 2.1.0.0 contains a stored cross-site scripting vulnerability because the class_filter comment sanitizer passes event-handler attributes on span, div, pre and code tags. Authenticated commenters can post a div with autofocus and onfocus attributes, executing script without interaction for every visitor, including administrators.
Title DjangoBlog 2.0.0.0 through 2.1.0.0 Stored XSS via Comment Sanitizer class_filter
Weaknesses CWE-79
References
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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-11-13T17:22:03.144Z

Reserved: 2026-11-13T17:03:18.247Z

Link: CVE-2026-129155

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses