CVE-2019-25703: ImpressCMS 1.3.11 contains a time-based blind SQL injection vulnerability that allows authenticated attackers

Routine

HIGH 7.1DOWNGRADE

CVE-2019-25703 is a high-severity flaw (CVSS 7.1) affecting impresscms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

ImpressCMS 1.3.11 contains a time-based blind SQL injection vulnerability that allows authenticated attackers to manipulate database queries by injecting SQL code through the 'bid' parameter. Attackers can send POST requests to the admin.php endpoint with malicious 'bid' values containing SQL commands to extract sensitive database information.

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	Low
User interaction	None
EPSS exploit chance	0.3% (top 72%)
CISA exploited list	No
Weakness	CWE-89
Published	2026-04-12
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: impresscms

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

Am I affected?

Timeline

2026-04-12 13:16 UTCPublished CVE record published
2026-06-17 02:33 UTCUpdated Record last modified

impresscms impresscms DOWNGRADE

Affected: 1.3.11

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.3.11

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.3.11 (Debian / Ubuntu)

apt-cache madison impresscms sudo apt install impresscms=<VERSION_BEFORE_1.3.11> sudo apt-mark hold impresscms

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

dnf --showduplicates list impresscms sudo dnf downgrade impresscms-<VERSION_BEFORE_1.3.11> sudo dnf versionlock add impresscms

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-2019-25703?

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

Is CVE-2019-25703 being exploited?

CVE-2019-25703 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-2019-25703 affect?

CVE-2019-25703 affects impresscms. Severity is high (CVSS 7.1). ImpressCMS 1.3.11 contains a time-based blind SQL injection vulnerability that allows authenticated attackers to manipulate database queries by injecting SQL code through the 'bid' parameter. Attackers can send POST requests to the admin.ph

How urgent is CVE-2019-25703?

Priority 37/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

References

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