CVE-2019-13948

Public Exploit

Description

SyGuestBook A5 Version 1.2 allows stored XSS because the isValidData function in include/functions.php does not properly block XSS payloads, as demonstrated by a crafted use of the onerror attribute of an IMG element.

Category

5.4
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.21%
Third-Party Advisory github.io Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://fragrant10.github.io/2019/02/22/SyGuestBookA5%E4%BB%A3%E7%A0%81%E5%AE%A1%E8%AE%A1.html third party advisory exploit
https://github.com/fragrant10/fragrant10.github.io/blob/master/_posts/2019-02-22-SyGuestBookA5%E4%BB%A3%E7%A0%81%E5%AE%A1%E8%AE%A1.md third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2019-13948?
CVE-2019-13948 has been scored as a medium severity vulnerability.
How to fix CVE-2019-13948?
To fix CVE-2019-13948, 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-2019-13948 being actively exploited in the wild?
It is possible that CVE-2019-13948 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.
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