Vulnerability · Published May 25, 2021 · Assigned by mitre
CVE-2021-33570
Medium 5.4
In plain English
A medium-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.6% (higher than 89% of all known vulnerabilities).
Severity (CVSS NVD)5.4Medium
Exploit odds (30 days)3.6%top 10.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
References
- https://github.com/Paxa/postbird/issues/132 x_refsource_MISC
- https://github.com/Paxa/postbird/issues/133 x_refsource_MISC
- https://github.com/Paxa/postbird/issues/134 x_refsource_MISC
- https://github.com/Tridentsec-io/postbird x_refsource_MISC
- http://packetstormsecurity.com/files/162831/Postbird-0.8.4-Cross-Site-Scripting-Local-File-Inclusion.html x_refsource_MISC
- http://packetstormsecurity.com/files/162872/Postbird-0.8.4-XSS-LFI-Insecure-Data-Storage.html x_refsource_MISC
- https://www.exploit-db.com/exploits/49910 x_refsource_MISC
- https://tridentsec.io/blogs/postbird-cve-2021-33570/ x_refsource_MISC