How severe is CVE-2009-2959?

CVE-2009-2959 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2009-2959 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-2009-2959?

CVE-2009-2959 primarily affects Buildbot. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-2959?

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

When was CVE-2009-2959 published?

CVE-2009-2959 was published on 2009-08-25 and last updated on 2026-06-16.

CVE-2009-2959

CVE-2009-2959 is a medium-severity vulnerability in Buildbot with a CVSS 2.0 base score of 4.3. 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-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Buildbot
Published: 2009-08-25
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in the waterfall web status view (status/web/waterfall.py) in Buildbot 0.7.6 through 0.7.11p1 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Frequently asked questions

What is CVE-2009-2959?: Cross-site scripting (XSS) vulnerability in the waterfall web status view (status/web/waterfall.py) in Buildbot 0.7.6 through 0.7.11p1 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
How severe is CVE-2009-2959?: CVE-2009-2959 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2009-2959 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-2009-2959?: CVE-2009-2959 primarily affects Buildbot. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-2959?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-2959 published?: CVE-2009-2959 was published on 2009-08-25 and last updated on 2026-06-16.

References

Affected products (8)

cpe:2.3:a:buildbot:buildbot:0.7.6:*:*:*:*:*:*:*
cpe:2.3:a:buildbot:buildbot:0.7.7:*:*:*:*:*:*:*
cpe:2.3:a:buildbot:buildbot:0.7.8:*:*:*:*:*:*:*
cpe:2.3:a:buildbot:buildbot:0.7.9:*:*:*:*:*:*:*
cpe:2.3:a:buildbot:buildbot:0.7.10:*:*:*:*:*:*:*
cpe:2.3:a:buildbot:buildbot:0.7.10p1:*:*:*:*:*:*:*
cpe:2.3:a:buildbot:buildbot:0.7.11:*:*:*:*:*:*:*
cpe:2.3:a:buildbot:buildbot:0.7.11p1:*:*:*:*:*:*:*

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