CVE-2019-25503: PHPads 2.0 contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary

Routine

HIGH 7.1DOWNGRADE

CVE-2019-25503 is a high-severity flaw (CVSS 7.1) affecting phpads. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PHPads 2.0 contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary SQL queries by injecting malicious code through the bannerID parameter in click.php3. Attackers can submit crafted bannerID values using SQL comment syntax and functions like extractvalue to extract sensitive database information such as the current database name.

Why this priority

High severity
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.1 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 72%)
CISA exploited list	No
Weakness	CWE-89
Published	2026-03-04
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: blondish

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

Am I affected?

Timeline

2026-03-04 18:16 UTCPublished CVE record published
2026-06-17 02:32 UTCUpdated Record last modified

blondish phpads DOWNGRADE

Affected: 2.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0

1. Check installed version

apt-cache policy phpads || rpm -q phpads || phpads --version

2. No fixed release: DOWNGRADE to a release before 2.0 (Debian / Ubuntu)

apt-cache madison phpads sudo apt install phpads=<VERSION_BEFORE_2.0> sudo apt-mark hold phpads

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list phpads sudo dnf downgrade phpads-<VERSION_BEFORE_2.0> sudo dnf versionlock add phpads

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2019-25503?

phpads: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2019-25503 being exploited?

CVE-2019-25503 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-2019-25503 affect?

CVE-2019-25503 affects phpads. Severity is high (CVSS 7.1). PHPads 2.0 contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary SQL queries by injecting malicious code through the bannerID parameter in click.php3. Attackers can submit crafted bannerID values

How urgent is CVE-2019-25503?

Priority 37/100. High severity; Public exploit reference

References

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