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CVE-2018-25082

30
FAUCET Score

CVE-2018-25082 is a critical XML External Entity (XXE) vulnerability affecting the validate/to_xml function in zwczou WeChat SDK Python versions prior to 0.5.5. This flaw allows for remote exploitation with low attack complexity, potentially leading to full compromise of confidentiality, integrity, and availability. While rated with a CVSS score of 9.8 (Critical), there is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability. Organizations using the affected SDK are strongly advised to upgrade to version 0.5.5 to mitigate this risk.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.5.5CPE matchmatch criteria
cpe:2.3:a:wechat_sdk_python_project:wechat_sdk_python:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.3MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
2.8
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.78%
Probability of exploitation in next 30 days
EPSS Percentile
52.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0077 is in the 35th percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
pippatch availablevia ghsa
Product: weixin-pythonFixed in: 0.5.5

Vendor Advisories (1)

pipGHSA-h384-ph77-3699critical

weixin-python XML External Entity vulnerability

Mar 21, 2023

References

github.com / zwczou/weixin-python/commit/e54abadc777715b6dcb545c13214d1dea63df6c9
Patch
github.com / zwczou/weixin-python/pull/30
PatchThird Party Advisory
github.com / zwczou/weixin-python/releases/tag/v0.5.5
Release Notes
vuldb.com
Permissions RequiredThird Party Advisory
vuldb.com
Third Party Advisory