CVE-2020-26705 json
XML External Entity vulnerability in Easy-XML
published 2021-10-31 5 y ago modified 2026-06-17 4 mo ago also GHSA-v899-28g4-qmh8 , PYSEC-2021-388 , EUVD-2021-0069
- cvss
- 9.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 71%
- public exploits
- 0
- none known
Summary
The parseXML function in Easy-XML 0.5.0 was discovered to have a XML External Entity (XXE) vulnerability which allows for an attacker to expose sensitive data or perform a denial of service (DOS) via a crafted external entity entered into the XML content as input.
Patch / fix
Exploit prediction
1.33% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |
| NVD | 2.0 | 6.4 | AV:N/AC:L/Au:N/C:P/I:N/A:P |
| GitHub | 3.1 | 9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | easy-xml | <=0.5.0 all versions |
no fix listed |
Classification
- Weakness
-
- CWE-611 Improper Restriction of XML External Entity Reference
References
-
github.com
/darkfoxprime/python-easy_xml/issues/1
web, patch, third-party-advisory, report
-
nvd.nist.gov
/vuln/detail/CVE-2020-26705
advisory
-
github.com
/advisories/GHSA-v899-28g4-qmh8
advisory
-
github.com
/darkfoxprime/python-easy_xml
package
-
github.com
/pypa/advisory-database/tree/main/vulns/easy-xml/PYSEC-2021-388.yaml
web
Sources
- CVE List CVE-2020-26705
- GitHub Advisory GHSA-v899-28g4-qmh8
- NVD CVE-2020-26705
- OSV PYSEC-2021-388
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