{"schema":"voidly-atlas-federal-record/v1","dataset":"nvd-cves","agency":"NIST","source":"NIST National Vulnerability Database","provider":"Voidly","license":"Source data is U.S. federal public domain (17 U.S.C. §105). Re-surfaced by Voidly under CC BY 4.0.","disclaimer":"This is the agency's own public-domain data, curated and made citable by Voidly. Voidly adds no independent claim — always verify against the linked canonical source.","generated_at":"2026-06-07T04:56:19.236Z","record":{"id":"CVE-2021-47955","cve_id":"CVE-2021-47955","published":"2026-05-16T16:16:21.780","last_modified":"2026-05-16T16:16:21.780","status":"Received","description":"CouchCMS 2.2.1 contains a cross-site scripting vulnerability that allows authenticated attackers to execute arbitrary JavaScript by uploading malicious SVG files through the file upload functionality. Attackers can upload SVG files containing embedded script tags to the browse.php endpoint, which are then executed in users' browsers when the files are accessed or previewed.","cvss_score":5.4,"cvss_severity":"MEDIUM","cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","cwes":"CWE-79","cpe_count":0,"source_url":"https://nvd.nist.gov/vuln/detail/CVE-2021-47955","voidly_url":"https://voidly.ai/atlas/federal/nvd-cves/CVE-2021-47955"},"citation":{"voidly_url":"https://voidly.ai/atlas/federal/nvd-cves/CVE-2021-47955","source_url":"https://nvd.nist.gov/vuln/detail/CVE-2021-47955","recommended":"CVE-2021-47955 — MEDIUM. NIST, via Voidly Atlas — Surveillance & Digital-Rights Watch. Retrieved 2026-06-07, https://voidly.ai/atlas/federal/nvd-cves/CVE-2021-47955","ris":"TY  - DATA\nTI  - CVE-2021-47955 — MEDIUM\nAU  - Voidly\nT2  - Voidly Atlas — Surveillance & Digital-Rights Watch\nPB  - Voidly\nPY  - 2026\nUR  - https://voidly.ai/atlas/federal/nvd-cves/CVE-2021-47955\nN1  - Source: NIST National Vulnerability Database, https://nvd.nist.gov/vuln/detail/CVE-2021-47955. Public domain (17 U.S.C. §105); re-surfaced under CC BY 4.0\nER  - ","apa":"Voidly. (2026). CVE-2021-47955 — MEDIUM [NIST National Vulnerability Database]. Voidly Atlas. Retrieved 2026-06-07, from https://voidly.ai/atlas/federal/nvd-cves/CVE-2021-47955","bibtex":"@misc{voidly_nvd_cves_CVE202147955,\n  title        = {CVE-2021-47955 — MEDIUM},\n  author       = {{Voidly}},\n  howpublished = {\\url{https://voidly.ai/atlas/federal/nvd-cves/CVE-2021-47955}},\n  note         = {Source: NIST National Vulnerability Database, https://nvd.nist.gov/vuln/detail/CVE-2021-47955. Public domain (17 U.S.C. §105); re-surfaced under CC BY 4.0},\n  urldate      = {2026-06-07},\n  year         = {2026}\n}"},"_voidly_pay":{"claim_did":"https://voidly.ai/pay/claim","for_builders":"https://voidly.ai/pay/for-builders","marketplace":"https://api.voidly.ai/v1/pay/marketplace","live_demo":"https://huggingface.co/spaces/emperor-mew/voidly-pay","universal_proxy":{"url":"https://api.voidly.ai/v1/pay/proxy","example":"https://api.voidly.ai/v1/pay/proxy?u=<https-url>&to=did:voidly:<your-did>&price=0.01","page":"https://voidly.ai/pay/proxy","note":"Paywall any public HTTPS URL with one query param. No SDK install required."},"install":{"typescript":"npm install @voidly/pay","python":"pip install voidly-pay","langchain":"pip install voidly-pay-langchain","vercel_ai":"npm install @voidly/pay-vercel-ai","mcp":"npx @voidly/pay-mcp","cli":"npm install -g @voidly/pay-cli"},"note":"Voidly Pay is the open agent-to-agent payment rail. Claim a DID + 10 starter credits in 60s, or paywall any URL via the universal proxy with one query param."}}