CVE-2026-73038
- Source
- https://cve.org/CVERecord?id=CVE-2026-73038
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-73038.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-73038
- Published
- 2026-08-13T18:41:49Z
- Modified
- 2026-10-28T02:31:02Z
- Severity
-
- 5.3 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N CVSS Calculator
- Summary
- NodeBB < 4.15.0 Stored XSS via ActivityPub emoji tag.icon.url and tag.name
- Details
-
NodeBB before 4.15.0 contains a stored cross-site scripting vulnerability in the renderEmoji function that fails to escape tag.icon.url and tag.name attributes. Attackers can deliver malicious ActivityPub Create/Note objects with crafted emoji tags to inject arbitrary HTML and JavaScript into stored post content, executing code in all viewers' browsers.
- Database specific
{ "cna_assigner": "VulnCheck", "cwe_ids": [ "CWE-79" ], "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/73xxx/CVE-2026-73038.json" }- References
-
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/73xxx/CVE-2026-73038.json
- https://github.com/NodeBB/NodeBB/releases/tag/v4.15.0
- https://nvd.nist.gov/vuln/detail/CVE-2026-73038
- https://www.vulncheck.com/advisories/nodebb-stored-xss-via-activitypub-emoji-tag-icon-url-and-tag-name
- https://github.com/NodeBB/NodeBB/issues/14601
- https://github.com/NodeBB/NodeBB/commit/c0d94a217edcafcdb9b3920a6e80935194bcb19e
- https://github.com/NodeBB/NodeBB
Affected packages
Git / github.com/nodebb/nodebb
Affected ranges
- Type
- GIT
- Repo
- https://github.com/nodebb/nodebb
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixedFixed
- Database specific
-
Show details
{ "extracted_events": [ { "range": [ { "introduced": "0" }, { "fixed": "4.15.0" } ], "source": "AFFECTED_FIELD", "strategy": "StandardRange" }, { "original_tag": "v4.15.0", "range": [ { "fixed": "fbdbb00d01e01a92baf64534a05fd13685cf3d88" } ], "source": "REFERENCES_TAG" }, { "range": [ { "fixed": "c0d94a217edcafcdb9b3920a6e80935194bcb19e" } ], "source": "REFERENCES_COMMIT" } ] }
Affected versions
v0.*
v0.0.3
v0.0.6
v0.2.0
v0.3.0
v0.3.1
v0.3.2
v0.5.0-1
v0.5.0-2
v0.9.2
v1.*
v1.14.1-beta.0
v1.14.1-beta.1
v1.14.1-beta.3
v1.14.2-beta.1
v1.14.3-beta.0
v1.14.3-beta.10
v1.14.3-beta.11
v1.14.3-beta.12
v1.14.3-beta.13
v1.14.3-beta.14
v1.14.3-beta.15
v1.14.3-beta.16
v1.14.3-beta.4
v1.14.3-beta.5
v1.14.3-beta.6
v1.14.3-beta.7
v1.14.3-beta.8
v1.14.3-beta.9
v1.15.0
v1.15.0-beta.0
v1.15.0-beta.1
v1.15.0-beta.10
v1.15.0-beta.11
v1.15.0-beta.12
v1.15.0-beta.13
v1.15.0-beta.14
v1.15.0-beta.15
v1.15.0-beta.16
v1.15.0-beta.17
v1.15.0-beta.18
v1.15.0-beta.19
v1.15.0-beta.2
v1.15.0-beta.21
v1.15.0-beta.22
v1.15.0-beta.23
v1.15.0-beta.24
v1.15.0-beta.25
v1.15.0-beta.27
v1.15.0-beta.29
v1.15.0-beta.3
v1.15.0-beta.30
v1.15.0-beta.4
v1.15.0-beta.5
v1.15.0-beta.6
v1.15.0-beta.7
v1.15.0-beta.8
v1.15.0-beta.9
v1.15.0-rc.0
v1.15.0-rc.1
v1.15.0-rc.3
v1.15.0-rc.4
v1.15.0-rc.5
v1.15.1
v1.15.1-beta.0
v1.15.2-beta.0
v1.15.2-beta.1
v1.15.3-beta.0
v1.16.1-beta.0
v1.17.0-beta.0
v1.17.0-beta.2
v1.17.0-beta.3
v1.17.0-beta.4
v1.17.0-beta.5
v1.19.4
v1.19.6
v1.19.7
v1.5.3
v2.*
v2.0.1
v2.1.0
v2.1.1
v2.2.0
v2.2.1
v2.2.2
v2.2.3
v2.2.4
v2.2.5
v2.3.0
v2.3.1
v2.4.0
v3.*
v3.0.0-rc.1
v3.0.0-rc.2
v3.3.0
v3.5.0
v4.*
v4.0.0-alpha
v4.0.0-beta.3
v4.0.0-beta.4
v4.0.0-rc.1
v4.0.0-rc.3
v4.0.0-rc.4
v4.11.0
v4.12.0
v4.13.0
v4.14.0
v4.6.0