CVE-2019-12970
XSS was discovered in SquirrelMail through 1.4.22 and 1.5.x through 1.5.2. Due to improper...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
6.1
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.
- Record
CVE-2019-12970- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2019-12970- Updated
- 2026-11-02
EUVDEUVD-2019-4545 No score
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.
- Record
EUVD-2019-4545- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mc9j-h3qj-qfr9
6.1
XSS was discovered in SquirrelMail through 1.4.22 and 1.5.x through 1.5.2. Due to improper...
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.
- Record
GHSA-mc9j-h3qj-qfr9- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2019-12970
6.1
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.
- Record
UBUNTU-CVE-2019-12970- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVMGASA-2021-0010 No score
Updated squirrelmail packages fix security vulnerabilities
XSS was discovered in SquirrelMail through 1.4.22. 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 ().
An unsafe use of unserialize() in compose.php has also been fixed.
- Record
MGASA-2021-0010- Updated
- 2026-11-02
OSVUSN-4669-1 No score
squirrelmail vulnerability
It was discovered that a cross-site scripting (XSS) vulnerability in SquirrelMail allows remote attackers to use malicious script content from HTML e-mail to execute code and/or provoke a denial of service.
- Record
USN-4669-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
squirrelmailDebian:8 |
before 2:1.4.23~svn20120406-2+deb8u4, plus listed versions 2:1.4.23~svn20120406-22:1.4.23~svn20120406-2+deb8u12:1.4.23~svn20120406-2+deb8u22:1.4.23~svn20120406-2+deb8u3 |
2:1.4.23~svn20120406-2+deb8u4 |
squirrelmailMageia:7 |
before 1.4.23-0.svn20201220_0200.1.mga7 | 1.4.23-0.svn20201220_0200.1.mga7 |
squirrelmailUbuntu:Pro:14.04:LTS |
before 2:1.4.23~svn20120406-2+deb8u3ubuntu0.14.04.1~esm1, plus listed versions 2:1.4.23~svn20120406-22:1.4.23~svn20120406-2+deb8u1build0.14.04.12:1.4.23~svn20120406-2+deb8u2build0.14.04.12:1.4.23~svn20120406-2+deb8u3build0.14.04.1 |
2:1.4.23~svn20120406-2+deb8u3ubuntu0.14.04.1~esm1 |
squirrelmailUbuntu:16.04:LTS |
before 2:1.4.23~svn20120406-2+deb8u3ubuntu0.16.04.2, plus listed versions 2:1.4.23~svn20120406-22:1.4.23~svn20120406-2ubuntu12:1.4.23~svn20120406-2ubuntu1.16.04.12:1.4.23~svn20120406-2+deb8u1ubuntu0.16.04.12:1.4.23~svn20120406-2+deb8u2build0.16.04.12:1.4.23~svn20120406-2+deb8u2ubuntu0.16.04.22:1.4.23~svn20120406-2+deb8u2ubuntu0.16.04.32:1.4.23~svn20120406-2+deb8u3ubuntu0.16.04.1 |
2:1.4.23~svn20120406-2+deb8u3ubuntu0.16.04.2 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-12970 is a medium vulnerability (CVSS 6.1) in Squirrelmail, published July 1, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.82%, the 78th percentile. Fixed in squirrelmail 2:1.4.23~svn20120406-2+deb8u4.
References
syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2019-016.txt
seclists.org/bugtraq/2019/Jul/0
packetstormsecurity.com/files/153495/SquirrelMail-1.4.22-Cross-Site-Scripting.html
seclists.org/bugtraq/2019/Jul/50
lists.debian.org/debian-lts-announce/2019/08/msg00000.html
nvd.nist.gov/vuln/detail/CVE-2019-12970