CVE-2016-7840: Cross-site scripting vulnerability in WEB SCHEDULE allows remote attackers to inject arbitrary web script or H

Routine

MEDIUM 6.1MITIGATE

CVE-2016-7840 is a medium-severity flaw (CVSS 6.1) affecting olive blog. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting vulnerability in WEB SCHEDULE allows remote attackers to inject arbitrary web script or HTML via the month parameter.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.9% (top 42%)
CISA exploited list	No
Weakness	CWE-79
Published	2017-04-28
Last modified	2026-06-17

Publisher (CNA): JPCERT/CC · Vendor: olive design

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

Am I affected?

Timeline

2017-04-28 16:59 UTCPublished CVE record published
2026-06-17 00:53 UTCUpdated Record last modified

olive design olive blog MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy olive-blog || rpm -q olive-blog || olive-blog --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

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-2016-7840?

olive blog: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2016-7840 being exploited?

CVE-2016-7840 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-2016-7840 affect?

CVE-2016-7840 affects olive blog. Severity is medium (CVSS 6.1). Cross-site scripting vulnerability in WEB SCHEDULE allows remote attackers to inject arbitrary web script or HTML via the month parameter.

How urgent is CVE-2016-7840?

Priority 36/100. No elevated risk signals yet.

Related CVEs

CVE-2016-7839 MEDIUM 6.1 MITIGATE Cross-site scripting vulnerability in Olive Blog allows remote attackers to inject arbitrary web script or HTM

References

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