HOMEVULNERABILITIESCVE-2026-22199
MEDIUM

CVE-2026-22199

CWE-290Published: March 13, 2026· Updated: Mar 17, 2026

5.3
CVSS v3.1
EPSS:0.03%probability of exploitation in 30 daysPercentile:7.0th

Official Description

wpDiscuz before 7.6.47 contains a vote manipulation vulnerability that allows attackers to manipulate comment votes by obtaining fresh nonces and bypassing rate limiting through client-controlled headers. Attackers can vary User-Agent headers to reset rate limits, request nonces from the unauthenticated wpdGetNonce endpoint, and vote multiple times using IP rotation or reverse proxy header manipulation.

NVD Source

Technical Analysis

CVE-2026-22199 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.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityLow
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Affected Vendors & Products

gvectors1 product
wpdiscuz
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

ADVISORYhttps://www.vulncheck.com/advisories/wpdiscuz-before-vote-manipulation-via-nonce-oracle-and-ip-rotation

All References (3)

→
https://wordpress.org/plugins/wpdiscuz/Product
→
https://wordpress.org/plugins/wpdiscuz/#developersProduct · Release Notes
→
https://www.vulncheck.com/advisories/wpdiscuz-before-vote-manipulation-via-nonce-oracle-and-ip-rotationThird Party Advisory

Quick Facts

CVE IDCVE-2026-22199
CVSS Score5.3 / 10
SeverityMEDIUM
WeaknessCWE-290
CISA KEVNo
EPSS (30d)0.03%
Affected1 vendor
PublishedMar 13, 2026

Related CVEs (CWE-290)

CVE-2026-39858
10.0
CVE-2026-6213
10.0
CVE-2026-25660
9.8
CVE-2026-48567
9.8
CVE-2021-47923
9.8
CVE-2026-44649
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-22199 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.COM. CVE data is provided under the NVD usage policy.
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