SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2004-0639

Multiple cross-site scripting (XSS) vulnerabilities in Squirrelmail 1.2.10 and earlier allow remote attackers to inject arbitrary HTML or script via (1) the $mailer variable in read_body.php, (2) the $senderNames_part variable in mailbox_display.php,…

EXPLOIT ✓MEDIUM 6.8EPSS 5.96%

Does this matter?

A public exploit is published in Exploit-DB (verified), so the technical barrier is gone even though the severity is medium and EPSS is 6.0%. Treat it as high on anything reachable from the internet.

Description

Multiple cross-site scripting (XSS) vulnerabilities in Squirrelmail 1.2.10 and earlier allow remote attackers to inject arbitrary HTML or script via (1) the $mailer variable in read_body.php, (2) the $senderNames_part variable in mailbox_display.php, and possibly other vectors including (3) the $event_title variable or (4) the $event_text variable.

CVSS 2.0
6.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
EPSS
5.96% probability · 93th percentile
Public exploits
1 in Exploit-DB · verified · first 3 June 2004
CISA KEV
Not listed
Affected
open webmail/open webmail · sgi/propack · squirrelmail/squirrelmail
Source
cve@mitre.org
EPSS trend
0%5%10%26 October 2026: 5.96%26 October 202626 October 2026

EPSS 6.0% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-24167source ↗SquirrelMail 1.2.x - From Email Header HTML Injectionphp · anonymouswebapps3 June 2004yes

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.