Vulnerability Details : CVE-2021-33570
Postbird 0.8.4 allows stored XSS via the onerror attribute of an IMG element in any PostgreSQL database table. This can result in reading local files via vectors involving XMLHttpRequest and open of a file:/// URL, or discovering PostgreSQL passwords via vectors involving Window.localStorage and savedConnections.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2021-33570
- cpe:2.3:a:postbird_project:postbird:0.8.4:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-33570
0.51%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 76 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-33570
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
3.5
|
LOW | AV:N/AC:M/Au:S/C:N/I:P/A:N |
6.8
|
2.9
|
NIST | |
|
5.4
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
2.3
|
2.7
|
NIST |
CWE ids for CVE-2021-33570
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-33570
-
https://www.exploit-db.com/exploits/49910
Postbird 0.8.4 - Javascript Injection - Multiple webapps ExploitExploit;Third Party Advisory;VDB Entry
-
http://packetstormsecurity.com/files/162872/Postbird-0.8.4-XSS-LFI-Insecure-Data-Storage.html
Postbird 0.8.4 XSS / LFI / Insecure Data Storage ≈ Packet StormThird Party Advisory;VDB Entry
-
https://github.com/Tridentsec-io/postbird
GitHub - Tridentsec-io/postbirdExploit;Third Party Advisory
-
https://tridentsec.io/blogs/postbird-cve-2021-33570/
[CVE-2021-33570] Postbird 0-day Vulnerability » Tridentsec.ioBroken Link;Third Party Advisory
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https://github.com/Paxa/postbird/issues/133
Security Vulnerability [Local File Inclusion (LFI)] · Issue #133 · Paxa/postbird · GitHubIssue Tracking;Third Party Advisory
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http://packetstormsecurity.com/files/162831/Postbird-0.8.4-Cross-Site-Scripting-Local-File-Inclusion.html
Postbird 0.8.4 Cross Site Scripting / Local File Inclusion ≈ Packet StormExploit;Third Party Advisory;VDB Entry
-
https://github.com/Paxa/postbird/issues/134
Security Vulnerability [PostgreSQL Password Stealing] · Issue #134 · Paxa/postbird · GitHubIssue Tracking;Third Party Advisory
-
https://github.com/Paxa/postbird/issues/132
Security Vulnerability [Stored -XSS] · Issue #132 · Paxa/postbird · GitHubIssue Tracking;Third Party Advisory
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