Unauthenticated settings changes
Published Sep 3, 2026 · Updated Sep 3, 2026
Missing authorization in WP Compress 7.21.28 and earlier allows remote attackers to change plugin settings over the network. Patchstack has not disclosed the vulnerable endpoint or function, the affected settings, or the authorization check omitted before the write. No credentials or user interaction are required; the documented result is limited to settings modification and an unspecified availability effect.
Summary
What happened
Missing authorization in WP Compress 7.21.28 and earlier allows remote attackers to change plugin settings over the network. Patchstack has not disclosed the vulnerable endpoint or function, the affected settings, or the authorization check omitted before the write. No credentials or user interaction are required; the documented result is limited to settings modification and an unspecified availability effect.
The record
- CVE
- CVE-2026-84757
- Published
- Sep 3, 2026
- Updated
- Sep 3, 2026
- Vendor
- WP Compress
- Product
- WP Compress – Instant Performance & Speed Optimization
- Classifications
- CWE-862, CAPEC-180
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Sep 3, 2026CVE publishedPublication date reported by the CVE source.
- Sep 3, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=n/a <=7.21.28 changes=[{"at":"7.22.0","status":"unaffected"}]
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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