Monica
CVE-2021-27559
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
The Contact page in Monica 2.19.1 allows stored XSS via the Nickname field.
AnalysisAI
The Contact page in Monica 2.19.1 allows stored XSS via the Nickname field. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and 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. The Contact page in Monica 2.19.1 allows stored XSS via the Nickname field. Affected products include: Monicahq Monica.
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.
Host Header Poisoning in Monica 4.1.2 CRM. PoC available.
MonicaHQ v4.1.2 was discovered to contain multiple authenticated Client-Side Injection vulnerabilities via the title and
MonicaHQ version 4.0.0 allows an authenticated remote attacker to execute malicious code in the application via CSTI in
MonicaHQ version 4.0.0 allows an authenticated remote attacker to execute malicious code in the application via CSTI in
MonicaHQ v4.1.2 was discovered to contain multiple Client-Side Injection vulnerabilities via the first_name and last_nam
MonicaHQ v4.1.2 was discovered to contain a Client-Side Injection vulnerability via the last_name parameter the General
Monica 4.1.2 is vulnerable to Cross Site Scripting (XSS). Rated medium severity (CVSS 5.4), this vulnerability is remote
MonicaHQ v4.1.1 was discovered to contain an authenticated Client-Side Injection vulnerability via the entry text field
MonicaHQ v4.1.2 was discovered to contain an authenticated Client-Side Injection vulnerability via the Reason parameter
A stored cross-site scripting (XSS) vulnerability exists in Monica (aka MonicaHQ) 4.0.0 via an SVG document uploaded by
MonicaHQ version 4.0.0 allows an authenticated remote attacker to execute malicious code in the application via CSTI in
MonicaHQ version 4.0.0 allows an authenticated remote attacker to execute malicious code in the application via CSTI in
Same weakness CWE-79 – Cross-site Scripting (XSS)
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External POC / Exploit Code
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