CVE-2021-21260

Public Exploit
XSS in description field

Description

Online Invoicing System (OIS) is open source software which is a lean invoicing system for small businesses, consultants and freelancers created using AppGini. In OIS version 4.0 there is a stored XSS which can enables an attacker takeover of the admin account through a payload that extracts a csrf token and sends a request to change password. It has been found that Item description is reflected without sanitization in app/items_view.php which enables the malicious scenario.

Category

7.6
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.21%
Third-Party Advisory github.com Third-Party Advisory github.com
Affected: bigprof-software online-invoicing-system
Published at:
Updated at:

References

Link Tags
https://github.com/bigprof-software/online-invoicing-system/security/advisories/GHSA-rm79-5596-r7q4 third party advisory exploit
https://github.com/bigprof-software/online-invoicing-system/releases/tag/4.2 third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-21260?
CVE-2021-21260 has been scored as a high severity vulnerability.
How to fix CVE-2021-21260?
To fix CVE-2021-21260, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-21260 being actively exploited in the wild?
It is possible that CVE-2021-21260 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-21260?
CVE-2021-21260 affects bigprof-software online-invoicing-system.
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