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Fencer Intel
medium 4.3

CVE-2017-20058 json

Elefant CMS Version Comparison Persistent cross site scriting

published 4y ago modified 4mo 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 56%
public exploits
0
none known

Summary

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

  • packagist elefant/cms 1.3.13

Is CVE-2017-20058 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
last yr.

Exploit prediction

0.78% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-09).

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

Sources

Fencer Intel 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.