WordOps has TOCTOU race condition

published 2024-05-05 2 y ago modified 2026-06-17 4 mo ago also GHSA-23qq-p4gq-gc2g , PYSEC-2024-175 , EUVD-2024-0212

cvss: 7.7; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 7%
public exploits: 0; none known

WordOps through 3.20.0 has a wo/cli/plugins/stack_pref.py TOCTOU race condition because the conf_path os.open does not use a mode parameter during file creation.

Patch / fix

fixed in 1 links 1

pypi wordops 3.21.0, 3.21.3

github.com/WordOps/WordOps@31353f0 commit

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 2 y ago (2024-11-01)

Exploit prediction

0.18% chance of exploitation in the next 30 days, higher than 7% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	7.7	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CNA	3.1	7.7	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
GitHub	3.1	7.7	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected packages

ecosystem	package	affected	fixed in
pypi	wordops	<3.21.0 <3.21.3	3.21.0 3.21.3

Affected products

wordopsproject wordops

Classification

Weakness

CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization

References

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