How severe is CVE-2007-1055?

CVE-2007-1055 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2007-1055 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-1055?

CVE-2007-1055 primarily affects Mediawiki. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-1055?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2007-1055 published?

CVE-2007-1055 was published on 2007-02-21 and last updated on 2026-06-16.

CVE-2007-1055

CVE-2007-1055 is a medium-severity vulnerability in Mediawiki with a CVSS 2.0 base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Mediawiki
Published: 2007-02-21
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in the AJAX features in index.php in MediaWiki 1.9.x before 1.9.0rc2, and 1.8.2 and earlier allows remote attackers to inject arbitrary web script or HTML via the rs parameter. NOTE: this issue might be a duplicate of CVE-2007-0177.

Frequently asked questions

What is CVE-2007-1055?: Cross-site scripting (XSS) vulnerability in the AJAX features in index.php in MediaWiki 1.9.x before 1.9.0rc2, and 1.8.2 and earlier allows remote attackers to inject arbitrary web script or HTML via the rs parameter. NOTE: this issue might be a duplicate of CVE-2007-0177.
How severe is CVE-2007-1055?: CVE-2007-1055 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2007-1055 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-1055?: CVE-2007-1055 primarily affects Mediawiki. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-1055?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-1055 published?: CVE-2007-1055 was published on 2007-02-21 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.9.0:rc1:*:*:*:*:*:*

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