CVE-2026-126498
5.4 MEDIUMpublic exploit availablePublished 2026-11-11 · Updated 2026-11-11
AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.
NVD description
WriteFreely before 0.17.3 contains a stored cross-site scripting vulnerability that allows authenticated authors to inject HTML by supplying a malicious post slug via the CreatePost API. The raw slug is concatenated into an anchor by augmentReadingDestination() for paid-shortcode posts, executing script for RSS/Atom feed readers, newsletter recipients and ActivityPub viewers.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weaknesses
CWE-79
Public exploit & PoC references
- https://github.com/writefreely/writefreely/blob/v0.17.2/database.go#L702-L705
- https://github.com/writefreely/writefreely/blob/v0.17.2/postrender.go#L117-L121
- https://github.com/writefreely/writefreely/commit/d7231d81a914f1314a218d5e8fde6e0341391ccd
- https://github.com/writefreely/writefreely/releases/tag/v0.17.3
- https://github.com/writefreely/writefreely/security/advisories/GHSA-cwxm-8ch5-j2vh
All references
- https://github.com/writefreely/writefreely/blob/v0.17.2/database.go#L702-L705
- https://github.com/writefreely/writefreely/blob/v0.17.2/postrender.go#L117-L121
- https://github.com/writefreely/writefreely/commit/d7231d81a914f1314a218d5e8fde6e0341391ccd
- https://github.com/writefreely/writefreely/releases/tag/v0.17.3
- https://github.com/writefreely/writefreely/security/advisories/GHSA-cwxm-8ch5-j2vh
- https://www.vulncheck.com/advisories/writefreely-before-0.17.3-stored-xss-via-unsanitized-post-slug
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
Related CVEs
- MEDIUMCVE-2012-20003PoC
- MEDIUMCVE-2012-20004PoC
- MEDIUMCVE-2012-20005PoC
- MEDIUMCVE-2013-20009PoC
- MEDIUMCVE-2014-125131PoC
- MEDIUMCVE-2014-125132PoC
- MEDIUMCVE-2015-20130PoC
- MEDIUMCVE-2016-20098PoC
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