SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-11503

PHPMailer 5.2.23 has XSS in the "From Email Address" and "To Email Address" fields of code_generator.php.

MEDIUM 6.1EPSS 2.40%

Does this matter?

Lower severity and a low EPSS score (2.40%). Track it; it rarely justifies an emergency change on its own.

Description

PHPMailer 5.2.23 has XSS in the "From Email Address" and "To Email Address" fields of code_generator.php.

CVSS 3.0
6.1 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
2.40% probability · 84th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-79
Affected
phpmailer project/phpmailer
Source
cve@mitre.org
EPSS trend
0%3%5%21 September 2026: 3.50%22 September 2026: 2.40%27 October 2026: 2.40%21 September 202627 October 2026

EPSS moved from 3.5% on 21 September 2026 to 2.4% on 27 October 2026.

References

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