Elefant CMS Version Comparison Persistent cross site scriting

published 2022-06-20 4 y ago modified 2026-06-17 4 mo ago also GHSA-5hfm-g799-wjw6 , EUVD-2022-5941

cvss: 4.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 55%
public exploits: 0; none known

A vulnerability classified as problematic was found in Elefant CMS 1.3.12-RC. Affected by this vulnerability is an unknown functionality of the component Version Comparison. The manipulation leads to basic cross site scripting (Persistent). The attack can be launched remotely. Upgrading to version 1.3.13 is able to address this issue. It is recommended to upgrade the affected component.

Patch / fix

fixed in 1

packagist elefant/cms 1.3.13

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 18 mo ago (2025-04-14)

Exploit prediction

0.76% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

seclists.org http://seclists.org/fulldisclosure/2017/Feb/36 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.1	4.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
NVD	3.1	6.1	CVSS:3.1/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	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem	package	affected	fixed in
packagist	elefant/cms	<1.3.13	1.3.13

Affected products

Elefant CMS

Classification

Weakness

CWE-80 Improper Neutralization of Script-Related HTML Tags in a Web Page
CWE-79 Improper Neutralization of Input During Web Page Generation

References

seclists.org /fulldisclosure/2017/Feb/36
web, exploit, mailing-list, third-party-advisory
vuldb.com /?id.97255
web, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2017-20058
advisory
github.com /jbroadway/elefant
package

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.

Summary