CVE-2015-7517: Multiple SQL injection vulnerabilities in the Double Opt-In for Download plugin before 2.0.9 for WordPress all

Q: How do I fix CVE-2015-7517?

double opt-in for download: upgrade to newer than 2.0.8. Exact commands for each OS are on this page.

Q: Is CVE-2015-7517 being exploited?

CVE-2015-7517 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2015-7517 affect?

CVE-2015-7517 affects double opt-in for download. Severity is critical (CVSS 9.8). Multiple SQL injection vulnerabilities in the Double Opt-In for Download plugin before 2.0.9 for WordPress allow remote attackers to execute arbitrary SQL commands via the ver parameter to (1) class-doifd-download.php or (2) class-doifd-lan

Q: How urgent is CVE-2015-7517?

Priority 62/100. Critical severity; EPSS top 9%: very likely to be exploited; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2015-7517 is a critical-severity flaw (CVSS 9.8) affecting double opt-in for download. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple SQL injection vulnerabilities in the Double Opt-In for Download plugin before 2.0.9 for WordPress allow remote attackers to execute arbitrary SQL commands via the ver parameter to (1) class-doifd-download.php or (2) class-doifd-landing-page.php in public/includes/.

Why this priority

Critical severity
EPSS top 9%: very likely to be exploited
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	4.2% (top 9%)
CISA exploited list	No
Weakness	CWE-89
Published	2017-08-29
Last modified	2026-06-17

Publisher (CNA): Red Hat, Inc. · Vendor: labwebdesigns

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2017-08-29 15:29 UTCPublished CVE record published
2026-06-17 00:32 UTCUpdated Record last modified

labwebdesigns double opt-in for download UPGRADE

Affected: <= 2.0.8

Fixed in: newer than 2.0.8

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy double-opt-in-for-download || rpm -q double-opt-in-for-download || double-opt-in-for-download --version

2. UPGRADE to newer than 2.0.8 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade double-opt-in-for-download

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade double-opt-in-for-download

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.

Quick answers

How do I fix CVE-2015-7517?

double opt-in for download: upgrade to newer than 2.0.8. Exact commands for each OS are on this page.

Is CVE-2015-7517 being exploited?

CVE-2015-7517 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-2015-7517 affect?

CVE-2015-7517 affects double opt-in for download. Severity is critical (CVSS 9.8). Multiple SQL injection vulnerabilities in the Double Opt-In for Download plugin before 2.0.9 for WordPress allow remote attackers to execute arbitrary SQL commands via the ver parameter to (1) class-doifd-download.php or (2) class-doifd-lan

How urgent is CVE-2015-7517?

Priority 62/100. Critical severity; EPSS top 9%: very likely to be exploited; Remotely exploitable, no login, no user action

Software pages

WordPress vulnerabilities · PHP vulnerabilities

References

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