MEDIUMCVSS v3.1 5.4Vulnerability
CVE-2026-126498
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.
Properties
- Severity
- MEDIUM
- Nvd fetched at
- 2026-11-11T23:49:45.533241+00:00
- Epss score
- 0.00232
- Cvss severity
- MEDIUM
- Cvss score
- 5.4
- Retrieved at
- 2026-11-11T23:51:13+00:00
- Last source
- FIRST EPSS
- Score
- 5.4
- Cvss version
- 3.1
- Cve id
- CVE-2026-126498
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- First seen by Signal
- 2026-11-11T03:34:07+00:00
- Name
- CVE-2026-126498
- Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- Published at
- 2026-11-11T01:17:14.790
- Last modified
- 2026-11-11T01:17:14.790
- Epss percentile
- 0.1424
Related Entities (1)
HAS_WEAKNESS (1)
Related research
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