Btcpay Server
CVE-2021-29250
MEDIUM
Severity by source
AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Lifecycle Timeline
1DescriptionNVD
BTCPay Server through 1.0.7.0 suffers from a Stored Cross Site Scripting (XSS) vulnerability within the POS Add Products functionality. This enables cookie stealing.
AnalysisAI
BTCPay Server through 1.0.7.0 suffers from a Stored Cross Site Scripting (XSS) vulnerability within the POS Add Products functionality. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. BTCPay Server through 1.0.7.0 suffers from a Stored Cross Site Scripting (XSS) vulnerability within the POS Add Products functionality. This enables cookie stealing. Affected products include: Btcpayserver Btcpay Server. Version information: through 1.0.7.0.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.
More in Btcpay Server
View allImproper Neutralization of Equivalent Special Elements in GitHub repository btcpayserver/btcpayserver prior to 1.7.5. Ra
btcpayserver is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'). Rate
Improper Neutralization of Equivalent Special Elements in GitHub repository btcpayserver/btcpayserver prior to 1.8.0. Ra
Cross-site Scripting (XSS) - Stored in GitHub repository btcpayserver/btcpayserver prior to 1.7.12. Rated medium severit
btcpayserver is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'). Rate
BTCPay Server before 1.0.6.0, when the payment button is used, has a privacy vulnerability. Rated high severity (CVSS 7.
BTCPay Server through 1.0.7.0 suffers from directory traversal, which allows an attacker with admin privileges to achiev
BTCPay Server before 1.0.7.1 mishandles the policy setting in which users can register (in Server Settings > Policies).
BTCPay Server through 1.0.7.0 could allow a remote attacker to obtain sensitive information, caused by failure to set th
BTCPay Server through 1.0.7.0 could allow a remote attacker to obtain sensitive information, caused by failure to set th
BTCPay Server through 1.0.7.0 uses a weak method Next to produce pseudo-random values to generate a legacy API key. Rate
Same weakness CWE-79 – Cross-site Scripting (XSS)
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External POC / Exploit Code
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