PatchTheCVECVE-2015-9357: The akismet plugin before 3.1.5 for WordPress has XSS.
37
Routine
MEDIUM 6.1UPGRADE
CVE-2015-9357 is a medium-severity flaw (CVSS 6.1) affecting akismet. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The akismet plugin before 3.1.5 for WordPress has XSS.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.1 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 1.0% (top 38%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2019-08-28 |
| Last modified | 2026-06-17 |
Publisher (CNA): MITRE · Vendor: automattic
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
automattic akismet UPGRADE
Affected: < 3.1.5
Fixed in: 3.1.5
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy akismet || rpm -q akismet || akismet --version
2. UPGRADE to 3.1.5 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade akismet
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade akismet
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2015-9357?
akismet: upgrade to 3.1.5. Exact commands for each OS are on this page.
Is CVE-2015-9357 being exploited?
CVE-2015-9357 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2015-9357 affect?
CVE-2015-9357 affects akismet. Severity is medium (CVSS 6.1). The akismet plugin before 3.1.5 for WordPress has XSS.
How urgent is CVE-2015-9357?
Priority 37/100. No elevated risk signals yet.
Software pages
Related CVEs
- CVE-2007-2714 HIGH 10.0 MITIGATE Unspecified vulnerability in akismet.php in Matt Mullenweg Akismet before 2.0.2, a WordPress plugin, has unkno