XSS in Squirrelmail
CVE-2019-12970
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.018 (77.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2019-016.txt (Exploit, Third Party Advisory)
- seclists.org/bugtraq/2019/Jul/0 (mailing-list, Exploit, Mailing List, Third Party Advisory)
- packetstormsecurity.com/files/153495/SquirrelMail-1.4.22-Cross-Site-Scripting.h… (Exploit, VDB Entry, Third Party Advisory)
- seclists.org/bugtraq/2019/Jul/50 (mailing-list)
- lists.debian.org/debian-lts-announce/2019/08/msg00000.html (mailing-list)
Frequently asked questions
- What is CVE-2019-12970?
- CVE-2019-12970 is a medium-severity vulnerability in Squirrelmail, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-07-01.
- How severe is CVE-2019-12970?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2019-12970 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.