6.1

CVE-2017-11503: phpmailer_project phpmailer Cross-site Scripting

CVSS: 6.1v3.0MediumModified
AliasesMGASA-2017-0257UBUNTU-CVE-2017-11503USN-5956-2
Published 20-07-2017Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2017-11503 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in phpmailer_project phpmailer. EPSS estimates a 2.40% chance of exploitation in the next 30 days, higher than 83.7% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.0 (NVD)
EPSS score
2.40%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference

Advisory lineage

Upstream 0 · Downstream 1 · Related 1
USN-5956-1

Timeline

  1. 20-07-2017
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

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

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

2.40%

Chance of exploitation in the next 30 days

Percentile

84%

Versus all other CVEs

30-day change

0.00 pp

From 2.40% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.40%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • referenceUnverified

    Exploit Reference (packetstormsecurity.com)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (cxsecurity.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Mageia2 products
  • php-phpmailer< 5.2.24-1.mga5
  • php-phpmailer< 5.2.24-1.mga6
Debian1 product
  • libphp-phpmailer< 6.0.6-0.1
Phpmailer_project1 product
Ubuntu1 product
  • libphp-phpmailer< 5.2.14+dfsg-1ubuntu0.1~esm2 | < 5.2.14+dfsg-2.3+deb9u2ubuntu0.1~esm2

4 vendors · 5 products

References

14 links
Show all 14 references