HOMEVULNERABILITIESCVE-2018-25082
CRITICAL

CVE-2018-25082

CWE-611Published: March 21, 2023· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

A vulnerability was found in zwczou WeChat SDK Python 0.3.0 and classified as critical. This issue affects the function validate/to_xml. The manipulation leads to xml external entity reference. The attack may be initiated remotely. Upgrading to version 0.5.5 is able to address this issue. The patch is named e54abadc777715b6dcb545c13214d1dea63df6c9. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-223403.

NVD Source

Risk Analysis

The WeChat SDK for Python is vulnerable to XML External Entity (XXE) injection, which can be triggered remotely. This critical flaw is rated 9.8 on the CVSS scale.

There is no known public exploit for this vulnerability, and it is not in the KEV catalog.

Recommended Action

Upgrade the WeChat SDK for Python to version 0.5.5 or later to address the vulnerability.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2018-25082 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

wechat_sdk_python_project1 product(s)
wechat sdk python
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/zwczou/weixin-python/commit/e54abadc777715b6dcb545c13214d1dea63df6c9
PATCHhttps://github.com/zwczou/weixin-python/pull/30
PATCHhttps://github.com/zwczou/weixin-python/commit/e54abadc777715b6dcb545c13214d1dea63df6c9
PATCHhttps://github.com/zwczou/weixin-python/pull/30
ADVISORYhttps://vuldb.com/?ctiid.223403
ADVISORYhttps://vuldb.com/?id.223403
ADVISORYhttps://vuldb.com/?ctiid.223403
ADVISORYhttps://vuldb.com/?id.223403

All References (10)

→
https://github.com/zwczou/weixin-python/commit/e54abadc777715b6dcb545c13214d1dea63df6c9Patch
→
https://github.com/zwczou/weixin-python/pull/30Patch · Third Party Advisory
→
https://github.com/zwczou/weixin-python/releases/tag/v0.5.5Release Notes
→
https://vuldb.com/?ctiid.223403Permissions Required · Third Party Advisory
→
https://vuldb.com/?id.223403Third Party Advisory
→
https://github.com/zwczou/weixin-python/commit/e54abadc777715b6dcb545c13214d1dea63df6c9Patch
→
https://github.com/zwczou/weixin-python/pull/30Patch · Third Party Advisory
→
https://github.com/zwczou/weixin-python/releases/tag/v0.5.5Release Notes
→
https://vuldb.com/?ctiid.223403Permissions Required · Third Party Advisory
→
https://vuldb.com/?id.223403Third Party Advisory

Quick Facts

CVE IDCVE-2018-25082
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-611
CISA KEVNo
Affected1 vendor(s)
PublishedMar 21, 2023

Related CVEs (CWE-611)

CVE-2018-1000651
10.0
CVE-2023-38490
10.0
CVE-2018-1000124
10.0
CVE-2018-1000644
10.0
CVE-2018-1000652
10.0
CVE-2017-8110
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2018-25082 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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