CVE-2017-18121 json
SimpleSAMLphp XSS Vulnerability
published 2018-02-02 8 y ago modified 2026-06-17 4 mo ago also GHSA-fv7m-wc3v-wr3w , EUVD-2022-3835
- cvss
- 6.1
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 68%
- public exploits
- 0
- none known
Summary
The consentAdmin module in SimpleSAMLphp through 1.14.15 is vulnerable to a Cross-Site Scripting attack, allowing an attacker to craft links that could execute arbitrary JavaScript code on the victim's web browser.
Patch / fix
- packagist simplesamlphp/simplesamlphp 1.14.16
- simplesamlphp Debian 14, Debian 12 1.15.0-1
debian advisories DEBIAN-CVE-2017-18121
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-2017-18121 updated cvss 5.4
php-simplesamlphp-saml2: Cross-Site Scripting (XSS) in the consentAdmin module
-
Red Hat All currently supported Red Hat productsnot affected: vulnerable code not present
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
1.19% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
| GitHub | 3.0 | 6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | simplesamlphp/simplesamlphp | >=1.12.0, <1.14.16 |
1.14.16 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
debian.org
/security/2018/dsa-4127
vendor-advisory, web, third-party-advisory
-
simplesamlphp.org
/security/201709-01
web, vendor-advisory
-
lists.debian.org
/debian-lts-announce/2018/02/msg00008.html
mailing-list, web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2017-18121
advisory
-
github.com
/FriendsOfPHP/security-advisories/blob/master/simplesamlphp/simplesamlphp/CVE-2017-18121.yaml
web
Sources
- CVE List CVE-2017-18121
- GitHub Advisory GHSA-fv7m-wc3v-wr3w
- NVD CVE-2017-18121
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.