ebookmeta XML External Entity vulnerability

published 2024-06-07 2 y ago modified 2026-06-17 4 mo ago also GHSA-whf4-fpj8-pgg8 , PYSEC-2024-76 , EUVD-2024-0053

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 42%
public exploits: 0; none known

An XML External Entity (XXE) vulnerability in the ebookmeta.get_metadata function of ebookmeta before v1.2.8 allows attackers to access sensitive information or cause a Denial of Service (DoS) via crafted XML input.

Patch / fix

fixed in 2

pypi ebookmeta 1.2.8
dnkorpushov ebookmeta 1.2.8

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-08-19)

Exploit prediction

0.50% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
GitHub	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
OSV	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected packages

ecosystem	package	affected	fixed in
pypi	ebookmeta	<1.2.8	1.2.8

Classification

Weakness

CWE-611 Improper Restriction of XML External Entity Reference
CWE-776 Improper Restriction of Recursive Entity References in DTDs

References

github.com /dnkorpushov/ebookmeta/issues/16#issue-2317712335
web, issue-tracking, third-party-advisory, report
nvd.nist.gov /vuln/detail/CVE-2024-36827
advisory
github.com /dnkorpushov/ebookmeta
package
github.com /pypa/advisory-database/tree/main/vulns/ebookmeta/PYSEC-2024-76.yaml
web
github.com /advisories/GHSA-whf4-fpj8-pgg8
advisory

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