CVE-2019-12970

Public Exploit

Description

XSS was discovered in SquirrelMail through 1.4.22 and 1.5.x through 1.5.2. Due to improper handling of RCDATA and RAWTEXT type elements, the built-in sanitization mechanism can be bypassed. Malicious script content from HTML e-mail can be executed within the application context via crafted use of (for example) a NOEMBED, NOFRAMES, NOSCRIPT, or TEXTAREA element.

Category

6.1
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.92% Top 30%
Third-Party Advisory packetstormsecurity.com Third-Party Advisory seclists.org Third-Party Advisory syss.de
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2019-016.txt third party advisory exploit
https://seclists.org/bugtraq/2019/Jul/0 mailing list exploit third party advisory
http://packetstormsecurity.com/files/153495/SquirrelMail-1.4.22-Cross-Site-Scripting.html exploit vdb entry third party advisory
https://seclists.org/bugtraq/2019/Jul/50 mailing list
https://lists.debian.org/debian-lts-announce/2019/08/msg00000.html mailing list

Frequently Asked Questions

What is the severity of CVE-2019-12970?
CVE-2019-12970 has been scored as a medium severity vulnerability.
How to fix CVE-2019-12970?
To fix CVE-2019-12970, 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-2019-12970 being actively exploited in the wild?
It is possible that CVE-2019-12970 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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