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Fencer Vulns
medium 4.3

CVE-2009-1581 json

functions/mime.php in SquirrelMail before 1.4.18 does not protect the application's content from Cascading Style Sheets (CSS) positioning i…

published 2009-05-14 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-1577

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.7%
EPSS 1.7% chance of exploitation in 30 days, percentile 77%
public exploits
0
none known

Summary

functions/mime.php in SquirrelMail before 1.4.18 does not protect the application's content from Cascading Style Sheets (CSS) positioning in HTML e-mail messages, which allows remote attackers to spoof the user interface, and conduct cross-site scripting (XSS) and phishing attacks, via a crafted message.

Patch / fix

  • squirrelmail RHEL 3 1.4.8-13.el3
  • squirrelmail RHEL 4 1.4.8-5.el4_8.5
  • squirrelmail RHEL 5 1.4.8-5.el5_3.7

red hat advisories RHSA-2009:1066

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2009-1581 updated cvss 4.3

SquirrelMail: CSS positioning vulnerability

  • Red Hat Desktop version 3 squirrelmail 1.4.8-13.el3 Red Hat Enterprise Linux (v. 5 server) squirrelmail 1.4.8-5.el5_3.7 Red Hat Enterprise Linux AS version 3 squirrelmail 1.4.8-13.el3 Red Hat Enterprise Linux AS version 4 squirrelmail 1.4.8-5.el4_8.5 Red Hat Enterprise Linux Desktop version 4 squirrelmail 1.4.8-5.el4_8.5 Red Hat Enterprise Linux Desktop Workstation (v. 5 client) squirrelmail 1.4.8-5.el5_3.7
    +4 more products
    Red Hat Enterprise Linux ES version 3 squirrelmail 1.4.8-13.el3 Red Hat Enterprise Linux ES version 4 squirrelmail 1.4.8-5.el4_8.5 Red Hat Enterprise Linux WS version 3 squirrelmail 1.4.8-13.el3 Red Hat Enterprise Linux WS version 4 squirrelmail 1.4.8-5.el4_8.5
    fixed: vendor fix RHSA-2009:1066

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.75% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.