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CVE-2026-25035· NVD / CVE Program· CNA Patchstack

WordPress Contest Gallery plugin <= 28.1.2.2 - Account Takeover vulnerability

Authentication Bypass Using an Alternate Path or Channel vulnerability in Wasiliy Strecker / ContestGallery developer Contest Gallery contest-gallery allows Authentication Abuse.This issue affects Contest Gallery: from n/a through <= 28.1.2.2.

CriticalCVSS 9.8 · v3.1—No exploit Fix available
Published
Mar 25, 2026
Updated
Jun 17, 2026
EPSS
0.4% · 33th percentile
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Report tools

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Action score

39

Monitor

Low priority for now.

CVSS
39 / 40 · 9.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.4%

CISA SSVC decision

Exploitation
none
Automatable
yes
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · Patchstack
9.8
NVD has not scored this yet; the score shown is the CNA’s.

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

—

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Patchstack). Independent of NVD's CPE analysis and usually ahead of it.

  • Wasiliy Strecker / ContestGallery developer Contest Gallery

    • up to and including 28.1.2.2affectedfixed in 28.1.3

Same product

wasiliy strecker / contestgallery developer: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-65447WordPress Contest Gallery plugin <= 30.0.6 - Cross Site Scripting (XSS) vulnerability
    28Monitor
  • CVE-2025-48291WordPress Contest Gallery <= 26.0.6 - Cross Site Scripting (XSS) Vulnerability
    28Monitor
  • CVE-2026-24964WordPress Contest Gallery plugin <= 28.1.2.1 - Server Side Request Forgery (SSRF) vulnerability
    25Monitor
  • CVE-2026-24965WordPress Contest Gallery plugin <= 28.1.1 - Broken Access Control vulnerability
    17Monitor
  • CVE-2025-62950WordPress Contest Gallery plugin <= 28.0.0 - Cross Site Request Forgery (CSRF) vulnerability
    17Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Wasiliy Strecker / ContestGallery developer Contest Gallery28.1.3Vendor (CNA)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

  • darooPatchstack Bug Bounty Programfinder

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

—

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

  • CVE-2026-249640 days apartWordPress Contest Gallery plugin <= 28.1.2.1 - Server Side Request Forgery (SSRF) vulnerability
    25Monitor

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-288 · Authentication Bypass Using an Alternate Path or Channel

CVSS vector

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

nvd-secondary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records