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CVE-2021-47934

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cve id
CVE-2021-47934
published
2026-05-16T16:16:21.267
last modified
2026-05-16T16:16:21.267
status
Received
description
MyBB Timeline Plugin 1.0 contains cross-site scripting vulnerabilities that allow attackers to inject malicious scripts through thread titles, post content, and user profile fields like Location and Bio. Attackers can also exploit a cross-site request forgery vulnerability in the timeline.php profile action to change a user's cover picture by crafting malicious forms that execute when victims visit affected profiles.
cvss score
5.3
cvss severity
MEDIUM
cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
cwes
CWE-79
cpe count
0
Verify at NIST National Vulnerability Database ↗

Cite this record

CVE-2021-47934 — MEDIUM. NIST, via Voidly Atlas — Surveillance & Digital-Rights Watch. Retrieved 2026-06-07, https://voidly.ai/atlas/federal/nvd-cves/CVE-2021-47934

@misc{voidly_nvd_cves_CVE202147934,
  title        = {CVE-2021-47934 — MEDIUM},
  author       = {{Voidly}},
  howpublished = {\url{https://voidly.ai/atlas/federal/nvd-cves/CVE-2021-47934}},
  note         = {Source: NIST National Vulnerability Database, https://nvd.nist.gov/vuln/detail/CVE-2021-47934. Public domain (17 U.S.C. §105); re-surfaced under CC BY 4.0},
  urldate      = {2026-06-07},
  year         = {2026}
}

Also available as JSON/BibTeX/APA: API record. Source data is U.S. federal public domain (17 U.S.C. §105). Re-surfaced by Voidly under CC BY 4.0.