{"id":"CVE-2026-129156","summary":"DjangoBlog commit d186b1c through 6134ed6 Stored XSS via Comment Reactions","details":"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.","modified":"2026-11-14T10:30:50.368697704Z","published":"2026-11-13T17:22:02.375Z","database_specific":{"cna_assigner":"VulnCheck","cwe_ids":["CWE-79"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/129xxx/CVE-2026-129156.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/129xxx/CVE-2026-129156.json"},{"type":"PACKAGE","url":"https://github.com/liangliangyy/DjangoBlog"},{"type":"ARTICLE","url":"https://github.com/liangliangyy/DjangoBlog/blob/6134ed63079de676b271af31de4dd40264d17c52/blog/templatetags/blog_tags.py#L162-L164"},{"type":"ARTICLE","url":"https://github.com/liangliangyy/DjangoBlog/blob/6134ed63079de676b271af31de4dd40264d17c52/oauth/views.py#L102-L112"},{"type":"ARTICLE","url":"https://github.com/liangliangyy/DjangoBlog/blob/6134ed63079de676b271af31de4dd40264d17c52/templates/comments/tags/comment_item_modern.html#L76"},{"type":"REPORT","url":"https://github.com/liangliangyy/DjangoBlog/issues/1030"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-129156"},{"type":"ADVISORY","url":"https://vul.yulun.ac.cn/20261101/djangoblog/"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/djangoblog-commit-d186b1c-through-6134ed6-stored-xss-via-comment-reactions"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/liangliangyy/DjangoBlog","events":[{"introduced":"d186b1c53bac400a0c8a840f62a121d59880fe97"},{"last_affected":"6134ed63079de676b271af31de4dd40264d17c52"}],"database_specific":{"extracted_events":[{"strategy":"StandardRange","range":[{"introduced":"d186b1c53bac400a0c8a840f62a121d59880fe97"},{"last_affected":"6134ed63079de676b271af31de4dd40264d17c52"}],"source":"AFFECTED_FIELD"}]}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-129156.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V4","score":"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"}]}