CVE-2026-17608
WP Compress <= 7.10.09 - Cross-Site Request Forgery to Arbitrary Options Deletion
The WP Compress – Instant Performance & Speed Optimization plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 7.10.09. This is due to missing or incorrect nonce validation on the (top-level template code) function. This makes it possible for unauthenticated attackers to delete arbitrary WordPress options, including critical ones such as siteurl, home, active_plugins, template, and stylesheet, causing site outage or a full plugin and theme reset via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Published Updated Sources: NVD, aresit (CNA), GitHub, SOCRadar CTI
Triage
Is it exploited, how likely is exploitation, what does it touch, and how severe do the scoring sources call it.
Exploitation
Reported
not confirmed by CISA
EPSS
0%
ahead of 0% of scored CVEs
CVSS base
6.5
medium
Remediation
The vendor's own words where we have them.
Upgrade WP Compress – Instant Performance & Speed Optimization to a fixed release. Apply vendor patches per advisory and restrict external exposure of the affected component until patched.
First 24 hours
Ordered from the record's own fields — exposure first, because you cannot patch what you have not found.
- Identify exposed assets running affected vendor/product/version combinations.
- Prioritize based on EPSS, PoC availability, and external exposure.
- Search available logs for exploit probes, errors, authentication anomalies, or suspicious child processes matching the vulnerability class.
Affected scope
Vendor, product and version as the advisories word them.
| Vendor | Product | Versions | Status |
|---|---|---|---|
| aresit | WP Compress – Instant Performance & Speed Optimization | 0 to <= 7.10.09 | Vulnerable |
Attack characteristics
The CVSS vector, decoded. It describes the attack, not your exposure to it.
Availability
None
Confidentiality
None
Integrity
High
Scope
Unchanged
Attack Complexity
Low
Attack Vector
Network
Privileges Req
None
User Interaction
Required
Every base score collected
Sources score independently and disagree; each row says who scored it and under which version.
| Score | Version | Severity | Expl. | Impact | Source |
|---|---|---|---|---|---|
| 6.5 | CVSS 3.1 | medium | 2.8 | 3.6 | NVD, aresit (CNA) |
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
What this weakness leads to
MITRE's own consequences and mitigations for the weakness class — the authority's wording, not guidance derived from the CVSS vector.
CWE-352 · Cross-Site Request Forgery (CSRF)
- Gain Privileges or Assume Identity
- Bypass Protection Mechanism
- Read Application Data
- Modify Application Data
Mitigation: Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid. For example, use anti-CSRF packages such as the OWASP CSRFGuard. [REF-330] Another example is the ESAPI Session Management control, which includes a component for CSRF. [REF-45]
Weakness & attack patterns
- CWE-352
Attack patterns reported against this CVE. The ATT&CK techniques below are inferred from its weakness class.
Public exploit
Capability, not use: code existing is a different claim from anyone running it.
Repositories
1
1 of the 1 sampled are weaponized
Detection
Read off the CVSS vector and the weakness class. Starting points, not rules we have tested.
- Prioritize edge telemetry for network-reachable WP Compress – Instant Performance & Speed Optimization.
- Monitor for scanner or exploit-pattern traffic after 1 public PoC repositories were reported.
Timeline
What happened to this CVE, newest first — with the readings a source repeats on a schedule counted underneath rather than listed.
- 2026
Added · CVSS 3.1 6.5 (AV:N)
Aug 16, 2026 · NVD
Initial · CVE published
Aug 16, 2026 · NVD
Reported · Disclosed
Aug 15, 2026 · aresit
Reported · Vendor Notified
Jul 31, 2026 · aresit
References
7 on the record
- plugins.trac.wordpress.org/browser/wp-compress-image-optimizer/tags/7.10.03/classes/menu.class.php#L239
Vendor Advisory
- plugins.trac.wordpress.org/browser/wp-compress-image-optimizer/tags/7.10.03/classes/menu.class.php#L335
Vendor Advisory
- plugins.trac.wordpress.org/browser/wp-compress-image-optimizer/tags/7.10.03/templates/admin/advanced_settings_v4.php#L2378
Vendor Advisory
- plugins.trac.wordpress.org/browser/wp-compress-image-optimizer/tags/7.10.03/templates/admin/debug_tool.php#L550
Vendor Advisory
- plugins.trac.wordpress.org/browser/wp-compress-image-optimizer/tags/7.10.03/templates/admin/debug_tool.php#L551
Vendor Advisory
- plugins.trac.wordpress.org/changeset?reponame=&old=3641964%40wp-compress-image-optimizer&new=3641964%40wp-compress-image-optimizer
Vendor Advisory
- www.wordfence.com/threat-intel/vulnerabilities/id/67013cc9-c20f-4137-9a4d-e7d700899131?source=cve
Vendor Advisory
Elsewhere on this site
Not in any source we poll
Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.
- No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
- No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
- No exploit packet captures, log samples, or incident case IDs supplied.
Answered from this record1
What should defenders know first?
CVE-2026-17608 is WP Compress <= 7.10.09 - Cross-Site Request Forgery to Arbitrary Options Deletion, a medium vulnerability affecting WP Compress – Instant Performance & Speed Optimization from aresit. The current evidence does not list it in CISA KEV, and the exploit status is: Exploitation is reported, but no independent confirmation is available in the sources we have. Public exploit evidence is: 1 public PoC repositories reported; 1 marked weaponized in current dataset. The affected-version evidence is listed in the key facts and affected products tables. Defenders should first verify whether exposed or business-critical assets run those versions, then apply vendor patches or mitigations, restrict reachable attack surface, and preserve logs for detection review. CVSS 6.5 describes technical severity, while EPSS 0% helps estimate near-term exploit likelihood; neither replaces asset context. Unknown fields should remain explicit in tickets, and threat actor, IOC, victimology, or payload claims should not be added unless a cited source supports them. Monitor CISA KEV, vendor advisories, NVD changes, public PoC repositories, and internal telemetry for update triggers.